Hearty Slow Cooker Southwestern Stuffed Peppers with Cheese: An Easy & Flavorful Vegetarian Meal
Imagine a vibrant dish bursting with color and flavor, yet incredibly simple to prepare. These Southwestern-style stuffed peppers with cheese are not just a meal; they’re an experience waiting to happen, especially when cooked to perfection in your slow cooker. Packed with wholesome ingredients like hearty beans, sweet corn, juicy diced tomatoes, and fluffy rice, all generously seasoned and topped with melted cheese, these vegetarian stuffed bell peppers promise a satisfying and delicious dinner that will please even the pickiest eaters. Ideal for busy weeknights or a comforting family meal, this recipe brings a delightful Tex-Mex twist to a classic comfort food, making it a staple in your kitchen.

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Recipe Video Guide
Prep and Cook Time: Effortless Slow Cooking for Busy Lives
One of the greatest advantages of this Southwestern stuffed peppers recipe is its minimal active preparation time and flexible cooking duration. You’ll only need about 10 minutes to prep these cheesy delights for your slow cooker, making them perfect for assembling before work or school. Once prepped, the slow cooker takes over, gently simmering your peppers to tender perfection. For a low setting, plan on 6-8 hours, which is ideal for an all-day cook. If you’re short on time, a high setting will have them ready in just 3-4 hours. Prefer to bake? No problem! These versatile stuffed peppers can also be baked in the oven, requiring approximately 35 minutes at 350°F (175°C) for a quicker turnaround. This flexibility ensures you can enjoy a wholesome, home-cooked meal, regardless of your schedule.
Essential Ingredients for Your Southwestern Stuffed Peppers
Crafting these delicious Southwestern stuffed peppers requires a selection of readily available ingredients that come together to create a harmonious blend of textures and flavors. From the crispness of fresh bell peppers to the richness of melted cheddar, each component plays a vital role. This recipe is designed to be vegetarian, vibrant, and incredibly satisfying, relying on pantry staples and fresh produce to deliver a wholesome meal. Gather these items, and you’ll be well on your way to a memorable slow cooker experience.

- Red kidney beans: Drained and rinsed, these add a hearty, protein-rich base and a wonderful texture to the filling.
- Frozen corn: Thawed before use, corn brings a touch of sweetness and vibrant color, enhancing the Southwestern profile.
- Diced tomatoes: Canned diced tomatoes contribute moisture and a tangy flavor that complements the other ingredients beautifully.
- Salsa: Your favorite salsa is key for that authentic Southwestern kick, adding depth and a bit of spice.
- Chopped onion: Freshly chopped onion provides an aromatic foundation, deepening the overall flavor.
- Cooked rice: White or brown, cooked rice binds the filling together and makes the peppers substantial and filling.
- A-1 or Worcestershire sauce: A secret ingredient for umami depth; choose A-1 for a vegetarian option.
- Salt & pepper: Essential seasonings to highlight and balance all the flavors.
- Shredded cheddar cheese: The star, offering creamy texture and a rich, savory finish. Divided for mixing into the filling and topping.
- Medium bell peppers: Any color works beautifully, providing a sweet, crisp vessel for the delicious filling. Red, yellow, or orange peppers are often sweeter than green.
Step-by-Step Guide: Crafting Your Cheesy Southwestern Stuffed Peppers
Creating these delightful slow cooker stuffed peppers is incredibly straightforward, designed for ease and convenience. Follow these simple steps, and you’ll soon be enjoying a flavorful and comforting meal with minimal fuss. The beauty of this recipe lies in its simplicity and the magic of slow cooking, which allows the flavors to meld perfectly over time.
- Prepare the Filling: In a generously sized mixing bowl, combine the drained and rinsed kidney beans, thawed frozen corn, diced tomatoes (undrained for moisture), zesty salsa, finely chopped onion, fluffy cooked rice, and the Worcestershire (or A-1) sauce. Season generously with salt and pepper. Finally, fold in 1 ¾ cups of the shredded cheddar cheese, ensuring it’s evenly distributed throughout the mixture. This creates a rich, flavorful, and hearty filling for your peppers.

- Stuff the Peppers: Carefully hollow out your bell peppers by removing the tops, seeds, and any white membranes. Then, using a spoon, generously stuff each pepper cavity with the prepared vegetable and cheese mixture. Pack it gently but firmly to ensure each pepper is full of flavor and substance.

- Slow Cook to Perfection: Arrange the stuffed peppers snugly in your slow cooker. If they don’t stand upright perfectly, you can trim a small slice off the bottom to create a flat base, or simply lean them against each other. Cover the slow cooker with its lid. Cook on the LOW setting for 6-8 hours, allowing the flavors to deepen and the peppers to become wonderfully tender. Alternatively, for a faster cook, set it to HIGH for 3-4 hours.

- Add the Final Cheesy Touch: During the last 30 minutes of the cooking cycle, remove the lid and generously sprinkle the remaining ¼ cup of shredded cheddar cheese over the tops of the stuffed peppers. Replace the lid, or leave it slightly ajar, and continue cooking until the cheese is beautifully melted and bubbly, forming a golden, irresistible crust. Serve hot and enjoy your savory, cheesy Southwestern creation!

Frequently Asked Questions & Expert Tips for Stuffed Pepper Success
To help you master this delicious slow cooker recipe and make it your own, we’ve compiled answers to common questions and handy tips. From meal prep strategies to dietary adjustments and storage solutions, these insights will ensure your Southwestern Stuffed Peppers turn out perfectly every time.
How to make stuffed peppers ahead of time?
Preparing stuffed peppers ahead of time is a fantastic way to streamline your meal prep and save precious time on busy mornings. You can easily mix the entire filling ahead of time and store it in an airtight container in the refrigerator. Simultaneously, prepare your raw bell peppers by halving them and removing the seeds and membranes, then store them in a separate sealed container. When you’re ready to cook, simply retrieve the components from the fridge, stuff the peppers, and place them directly into your slow cooker. This method allows you to enjoy a freshly cooked meal with minimal effort right when you need it.
Can I bake these stuffed peppers in a conventional oven instead?
Absolutely! While the slow cooker offers unparalleled convenience, these Southwestern stuffed peppers bake beautifully in a conventional oven. To bake, preheat your oven to 350°F (175°C). Place the stuffed peppers in a baking dish, adding a small amount of water (about ¼ to ½ inch) to the bottom of the dish to create steam and help the peppers soften. Bake for approximately 25 minutes, or until the peppers are tender-crisp. Then, remove them from the oven, sprinkle with the reserved shredded cheddar cheese, and return them to bake for another 10 minutes. Continue baking until the cheese is perfectly melted and begins to turn a light golden brown, adding an extra layer of deliciousness.
Can I incorporate meat into this vegetarian recipe?
Absolutely! This recipe is wonderfully adaptable for meat lovers. To add a hearty protein boost, you can easily mix in one pound of pre-cooked, finely chopped chicken, ground turkey, or ground beef to the filling mixture. Ensure the meat is cooked and drained of any excess fat before adding it to the other ingredients. Keep in mind that adding meat will increase the volume of the filling, so you might need an extra bell pepper or two to accommodate it. Alternatively, any leftover filling can be frozen for a future meal or enjoyed as a delicious side dish or taco filling.
Are there any ingredient substitutions I can make?
This recipe is highly flexible and welcomes a variety of substitutions to suit your preferences or what you have on hand:
Beans: Feel free to experiment with different types of beans. Black beans are a particularly excellent choice, as their earthy flavor perfectly complements the Southwestern theme of the dish. Pinto beans or even a mixed bean medley would also work wonderfully, adding unique textures and nutritional benefits.
Cheese: While shredded cheddar cheese is a classic, you can easily substitute it with Monterey Jack for a milder, creamier melt, quesadilla cheese for authentic Mexican flavor, or a pre-packaged Mexican blend cheese for convenience and a complex cheesy profile.
Rice: If you’re looking for an alternative to white rice, an equal amount of cooked quinoa or brown rice would make excellent and healthier substitutions. Quinoa adds a slightly nutty flavor and a boost of protein, while brown rice offers more fiber and a chewier texture.
Can this recipe be adapted for specific dietary restrictions?
Yes, this versatile recipe can be easily modified to fit various dietary needs:
Vegetarian: As written, this recipe is naturally vegetarian, provided you use A-1 sauce instead of traditional Worcestershire sauce, as some Worcestershire brands contain anchovies. Always double-check ingredient labels if adhering to strict vegetarian guidelines.
Gluten-free: To ensure your stuffed peppers are gluten-free, simply opt for a certified gluten-free Worcestershire sauce. All other ingredients are typically naturally gluten-free, but it’s always wise to confirm labels on processed items like salsa or diced tomatoes.
Vegan: For a delicious vegan version, use A-1 sauce (or another vegan Worcestershire alternative) and either omit the cheese entirely or substitute it with your favorite plant-based, non-dairy shredded cheese. Many excellent vegan cheese alternatives are available that melt beautifully and provide a similar creamy texture.
Can I freeze Southwestern Stuffed Peppers with Cheese for later?
Freezing is a convenient way to extend the life of your meals, but raw bell peppers don’t always freeze well as they can lose moisture and become mushy upon thawing and cooking. However, there are two excellent ways to freeze this recipe effectively:
1. Freeze the Filling Separately: This is a highly recommended method. Prepare a double batch of the delicious Southwestern filling as directed in the recipe. Once mixed, transfer the extra filling into an airtight freezer-safe container or a heavy-duty freezer bag, removing as much air as possible. Label and date it clearly with instructions: “Slow Cooker Southwestern Stuffed Pepper Filling: Thaw overnight in the refrigerator. Stuff 6 seeded bell peppers with the thawed mixture. Place in slow cooker, cover, and cook on low for 6-8 hours (or high for 3-4 hours). During the final 30 minutes, sprinkle with ¼ cup of cheese and allow to melt.” The filling will keep well for up to 4 months in the freezer.
2. Freeze Cooked Peppers: You can also freeze the entire cooked dish. Prepare and cook the stuffed bell peppers as per the recipe, but skip the final step of adding the topping cheese. Allow the cooked peppers to cool completely. You can freeze them individually on a baking sheet until solid, then transfer them to a freezer bag, or freeze them in bulk in a freezer-safe container. Label and date, and use within 4 months. To reheat, thaw the frozen peppers overnight in the refrigerator. Then, top each pepper with ¼ cup of shredded cheese and reheat. Microwave individual peppers for 2-4 minutes until hot and the cheese is melted, or bake in an oven at 350°F (175°C) for about 25 minutes until heated through and cheese is bubbly.
How can I use planned leftovers in this recipe for efficient meal planning?
Integrating this stuffed pepper recipe into a broader meal plan can significantly reduce your prep time and minimize food waste. The key is to think strategically about ingredients that can be cooked once and used twice:
One prime example is cooked rice. If you’re planning a meal with rice earlier in the week, simply cook an extra couple of cups and set it aside for your stuffed peppers. This eliminates a step when you’re ready to assemble the peppers.
Similarly, for the chopped onion, if you’re sautéing onions for another recipe, you can chop an additional ¼ cup and save it for the stuffed pepper filling. While the recipe calls for raw onion, sautéed onion would also add a lovely depth of flavor. *Note: It’s generally not recommended to save chopped raw onions for later as they can become stronger and change texture.*
Here’s a sample menu demonstrating this smart leftover planning:
Day 1: Grilled Steak (remember to reserve some leftover steak)
Day 2: Beef and Broccoli over Rice (utilize leftover steak from Day 1; intentionally make extra rice for later)
Day 3: Hash Brown Soup (sauté extra onions for this dish and reserve some for the peppers)
Day 4: Southwestern Stuffed Peppers with Cheese (now you can effortlessly use the leftover cooked rice and sautéed onions, significantly cutting down on prep time!)
What are the best side dishes to serve with Southwestern Stuffed Peppers with Cheese?
These Southwestern Stuffed Peppers are a remarkably complete and satisfying meal on their own, thanks to their balanced blend of vegetables, grains, and protein (from the beans and cheese). However, if you’re looking to round out your meal or add a refreshing contrast, a simple side dish is often all you need. A fresh, crisp Mexican-style salad makes an excellent accompaniment. Think mixed greens with avocado, cherry tomatoes, a squeeze of lime, and perhaps a light vinaigrette or cilantro-lime dressing. Other options could include a side of refried beans, extra salsa and guacamole, or even a light corn and black bean salad.
Creative Adaptations & Variations for Your Stuffed Peppers
Beyond the classic slow cooker method, these Southwestern stuffed peppers can inspire a variety of other delicious dishes. Don’t limit yourself to just one preparation style; explore these adaptations to keep your meals exciting and cater to different occasions and preferences.
Transform into a Hearty Soup: Repurpose the delicious filling into a comforting Southwestern Stuffed Pepper Soup. Begin by sautéing the bell peppers (you can use chopped peppers instead of whole ones) and onions in a large soup pot until tender. Add the rest of the filling ingredients (beans, corn, tomatoes, salsa, rice, Worcestershire/A-1 sauce, salt, pepper) along with 4 to 6 cups of beef, chicken, or vegetable broth to create a rich soup base. Bring to a simmer and cook for about 30 minutes on low to medium heat, allowing all the flavors to meld. Serve the soup hot, topped with a generous sprinkle of reserved shredded cheddar cheese for that signature cheesy finish.
“Deconstructed” Roasted Pepper Casserole: For an intensely flavorful version with beautifully charred peppers, consider a roasted pepper casserole. Start by roasting and then slicing your bell peppers. Roasting brings out their natural sweetness and adds a smoky depth. Layer these flavorful sliced peppers in a prepared baking dish, then spread the robust filling evenly over them. Bake at 350°F (175°C) for approximately 25 minutes. Finish by topping the casserole with the remaining cheese and baking for another 10 minutes, or until the cheese is bubbling and golden brown. This method delivers a fantastic texture contrast and a more concentrated pepper flavor.
(To easily roast bell peppers: Halve and deseed the peppers. Place them skin-side up on a broiler-safe baking sheet. Broil on high heat, keeping a close eye, until the skins are blackened and blistered. Remove from the broiler immediately and transfer the hot peppers to a paper bag or a sealed container for about 10-15 minutes. This steaming process makes the skins incredibly easy to peel off once cooled, leaving you with tender, smoky roasted pepper flesh.)
Recipe
Easy Slow Cooker Southwestern Stuffed Peppers with Cheese
Mary Ann
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10
minutes
8
hours
8
hours
10
minutes
Main Dish
Tex-Mex
6
stuffed peppers
391
Ingredients
-
15
ounces
red kidney beans , drained and rinsed thoroughly for best results -
12
ounces
frozen corn, thawed to ensure even cooking -
14.5
ounce
can diced tomatoes, undrained to add essential moisture and flavor -
¼
cup
salsa, choose your favorite mild or medium for a flavorful kick -
¼
cup
chopped onion, fresh and finely diced for aromatic depth -
1 ½
cups
cooked rice, white or brown, cooled for easy mixing -
1
teaspoon
A-1 or Worcestershire sauce, for umami flavor (use A-1 for vegetarian) -
¼
teaspoon
salt, adjust to taste -
½
teaspoon
ground black pepper, freshly ground for best flavor -
1¾
cups
shredded cheddar cheese,
for filling (can substitute with Monterey Jack or Mexican blend) -
¼
cup
shredded cheddar cheese,
for topping (reserved for the last 30 minutes) -
6
medium bell peppers, any color (red, yellow, or orange for sweeter flavor)
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Instructions
-
Carefully remove the tops, seeds, and any white membranes from your 6 medium bell peppers. You can either halve them lengthwise or leave them whole and just cut off the top.
-
Rinse and drain the 15 ounces red kidney beans thoroughly under cold running water to remove excess sodium and improve flavor.
-
Ensure the 12 ounces frozen corn is fully thawed before adding it to the mixture, which helps maintain texture and temperature consistency.
-
In a large, sturdy mixing bowl, combine the prepared beans, thawed corn, undrained 14.5 ounce can diced tomatoes, flavorful ¼ cup salsa, finely chopped onion, light and fluffy 1 ½ cups cooked rice, aromatic 1 teaspoon A-1 or Worcestershire sauce, a pinch of ¼ teaspoon salt, and fragrant ½ teaspoon ground black pepper. Gently fold in 1¾ cups shredded cheddar cheese until all ingredients are well combined.
-
Generously stuff each hollowed bell pepper with the delicious vegetable and cheese mixture. Arrange the stuffed peppers in your slow cooker. If they tend to tip, you can trim a thin slice off the bottom to help them sit flat. Cover the slow cooker securely with its lid, and cook on the LOW setting for 6-8 hours for tender, deeply flavored peppers, or on HIGH for 3-4 hours if you need them ready sooner.
-
During the final 30 minutes of the cooking time, lift the lid and evenly sprinkle the remaining ¼ cup shredded cheddar cheese over the tops of the peppers. Re-cover (or leave slightly ajar) and continue cooking until the cheese is beautifully melted and bubbly, creating an irresistible golden crust. Serve hot and savor this comforting Southwestern meal!
Notes
The hearty filling for these stuffed bell peppers is also freezer-friendly, offering a fantastic opportunity for future meals. Consider doubling just the filling ingredients and freezing an extra batch. Label the container or freezer bag clearly with “Stuffed Bell Pepper Filling: Thaw in the refrigerator overnight. Stuff 6 seeded bell peppers with the vegetable mixture. Place in slow cooker, cover, and cook on low for 6-8 hours (or high for 3-4 hours). During the last 30 minutes of cooking time, sprinkle with ¼ cup of cheese and allow to melt.” This way, a delicious, homemade dinner is always just a few steps away!
Nutrition per serving
Calories:
391
cal
Carbohydrates:
51
g
Protein:
20
g
Fat:
14
g
Sodium:
432
mg
Fiber:
10
g
Sugar:
6
g
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