Skillet Mexican Unstuffed Pepper Bake

One Pot Mexican Stuffed Pepper Casserole is a vibrant, deeply satisfying dish that brings the beloved flavors of traditional stuffed peppers into a remarkably easy, single-pot format. This recipe brilliantly combines seasoned ground beef, a colorful medley of bell peppers, fluffy rice, diced tomatoes, and aromatic Mexican spices to create a wholesome, comforting, and incredibly convenient meal perfect for any night of the week.

When the weather turns chilly, especially here in Cleveland, there’s nothing quite like a hearty comfort meal to warm you from the inside out. Casseroles, with their rich flavors and filling ingredients, fit this description perfectly. They’re not just delicious; they’re soul-warming and stick-to-your-ribs satisfying, ensuring everyone at the table feels cozy and content. This One Pot Mexican Stuffed Pepper Casserole delivers all that warmth and more, making it an instant family favorite.

This exceptional casserole is brimming with a rainbow of fresh bell peppers, savory ground beef, vibrant diced tomatoes, mild diced green chiles, and perfectly cooked long-grain rice, all infused with a blend of warm, rich Mexican spices. The result is a dish that captures all the classic essence of stuffed peppers without the individual prep work, making it ideal for busy evenings.

The beauty of this recipe lies in its simplicity and the fact that it’s a true one-pot (or one-skillet) wonder. This means significantly less cleanup, a huge bonus on weeknights! You’ll begin by sautéing the fresh vegetables, ground beef, and fragrant spices directly in your pot. Then, you simply add the remaining ingredients (reserving the cheese for the final touch) and let it simmer gently on the stove. In just about 15-20 minutes, you’ll have a substantial, comforting, and flavorful casserole ready to grace your dinner table.

Why You’ll Love This One Pot Mexican Stuffed Pepper Casserole

• Effortless One-Pot Cooking: Say goodbye to multiple pots and pans! This entire dish comes together in a single skillet, drastically cutting down on cleanup time and making it perfect for busy schedules.
• Bursting with Flavor: Inspired by classic Mexican cuisine, this casserole is packed with savory ground beef, sweet bell peppers, zesty tomatoes, and a robust blend of chili powder, cumin, and oregano, delivering a truly satisfying taste experience.
• Hearty and Satisfying: With protein-rich ground beef and filling long-grain rice, this casserole is designed to keep you feeling full and contented. It’s ideal for cold evenings or after a long day.
• Customizable for Any Palate: Easily adapt this recipe to suit your preferences! Add more heat, swap proteins, or incorporate extra vegetables to make it uniquely yours.
• Family-Friendly Appeal: This mild yet flavorful dish is a hit with adults and children alike. It’s a great way to get everyone to enjoy a nutritious and delicious meal together.
• Great for Meal Prep: This casserole tastes even better the next day, making it perfect for packed lunches or quick reheated dinners. It also freezes beautifully for future meals.

If you’re a fan of comforting casseroles, be sure to explore these other fantastic options: Doritos Taco Casserole, Mexican Chicken Casserole, Beef Enchilada Casserole, Curried Chicken and Rice Casserole or this Easy Mexican Noodle Casserole.

Essential Recipe Ingredients for Your Mexican Stuffed Pepper Casserole

Below is a detailed list of the key ingredients that bring this delightful One Pot Mexican Stuffed Pepper Casserole to life. For precise measurements, please refer to the complete recipe card further down this page.

• Beef: This recipe calls for 1 pound of ground beef. We recommend using 80/20 ground beef, as the slightly higher fat content adds significant flavor and richness to the casserole. However, you can easily substitute ground turkey, ground chicken, or even ground sausage for a different flavor profile. Remember to thoroughly drain any excess fat after cooking, regardless of the meat choice.
• Aromatics & Vegetables: The foundation of flavor in this casserole starts with 1/2 sweet onion, finely chopped. A colorful mix of 2 bell peppers (seeds removed, diced – a variety of colors not only looks appealing but also adds nuanced sweetness), 2 (14.5 ounce) cans of diced tomatoes (drained), and 1 (4 ounce) can of diced green chiles (for a mild, tangy kick) contribute to the vibrant taste and texture, reminiscent of classic stuffed peppers.
• Spices: The authentic Mexican flavor comes from a robust blend of 1 teaspoon chili powder, 1 teaspoon cumin, 1 teaspoon oregano (Mexican oregano is highly recommended for a more intense, earthy flavor), and 1/4 teaspoon cayenne pepper. The cayenne is optional, but it adds a lovely, subtle warmth without overpowering the dish. For convenience, you can also substitute this spice blend with your favorite taco seasoning.
• Grain: 1 cup of long-grain rice is incorporated directly into the casserole, cooking in the delicious sauce and absorbing all the flavors. Its texture is perfect for a hearty casserole.
• Liquid: 1 cup of beef broth provides the essential liquid base for cooking the rice and helps to meld all the flavors together, creating a rich sauce.
• Cheese: 1 cup of shredded cheese adds a creamy, melty finish to the casserole. A combination of sharp cheddar and pepper jack offers a wonderful balance of tang and a hint of spice, but feel free to use your favorite cheese or skip it if you prefer.
• Seasoning: Don’t forget salt and pepper to taste, enhancing all the other ingredients.
• Olive Oil: 2 tablespoons of olive oil are needed for sautéing the aromatics and meat.
• Garlic: 3 cloves of minced garlic are essential for building a deep, aromatic flavor base.

For more authentic Mexican-inspired culinary adventures, be sure to try this Slow Cooker Mexican Beef Brisket, our delightful Chicken Tinga Recipe or these exquisite Authentic Chilaquiles Rojos (Red Chilaquiles Recipe).

Creative Ways to Modify Your Mexican Stuffed Pepper Casserole

This One Pot Mexican Stuffed Pepper Casserole is incredibly versatile, allowing you to easily adapt it to your taste preferences or whatever ingredients you have on hand. Here are some fantastic ways to get creative with your dish:

• Boost the Beans: For added protein, fiber, and an even heartier meal, incorporate canned beans. Black beans, pinto beans, or kidney beans are excellent choices. Drain and rinse them thoroughly before adding them along with the diced tomatoes and green chiles.
• Extra Veggie Power: Increase the nutritional value and add more texture by introducing extra vegetables. Canned corn (drained) offers a touch of sweetness, while diced poblano peppers can add a mild, earthy spice. Sliced zucchini or sautéed mushrooms would also be delicious additions. For firmer vegetables like poblanos, add them when you sauté the bell peppers.
• Cheese, Please!: Don’t be shy with the cheese! While cheddar and pepper jack are a classic combination, feel free to experiment. Monterey Jack, Colby Jack, or even a Mexican blend cheese would work wonderfully. For a touch of authentic flavor, crumble some cotija cheese on top just before serving.
• Alternate Grains: If you’re looking for an alternative to long-grain rice, consider using quinoa or even a small pasta like orzo. Keep in mind that different grains have varying cooking times and liquid absorption rates, so you may need to adjust the amount of beef broth and the simmering time accordingly to ensure your chosen grain cooks through perfectly.
• Turn up the Heat: For those who love a spicy kick, there are several ways to elevate the heat. Incorporate finely chopped fresh jalapeños or serrano peppers into the sautéing stage. A pinch of chipotle powder with the other spices will add a smoky heat, or a dash of your favorite hot sauce stirred in at the end can bring that extra zing. If my family could handle more spice, I would definitely be adding more chiles!
• Protein Swaps: Beyond ground turkey or chicken, consider using ground pork or even a plant-based ground crumble for a vegetarian version. If using plant-based crumbles, ensure they are browned and seasoned well for optimal flavor.
• Smoky Flavor: A small amount of smoked paprika or a dash of liquid smoke can add a wonderful smoky depth that complements the Mexican spices beautifully.
• Fresh Herbs: While cilantro is a popular garnish, consider adding fresh chopped parsley or even a sprinkle of chopped green onions for an extra layer of freshness.

How to Make This Delicious One Pot Mexican Stuffed Pepper Casserole

Creating this flavorful and easy casserole is a breeze. Follow these simple steps for a hearty meal with minimal fuss:

1. Step 1: Sauté Aromatics and Spices: In a large, deep skillet or Dutch oven, heat the 2 tablespoons of olive oil over medium-high heat. Once shimmering, add the chopped sweet onion, chili powder, cumin, cayenne pepper (if using), and oregano. Stir well and sauté for about 1 minute until the spices become fragrant and the onion begins to soften. This step is crucial for blooming the spices and building a deep flavor base.
2. Step 2: Cook the Ground Beef: Add the minced garlic to the skillet and sauté for another minute until aromatic. Then, add the 1 pound of ground beef, breaking it up with a spoon as it cooks. Continue cooking until the ground beef is fully browned and no longer pink, typically 4-5 minutes. Once cooked, carefully drain any excess fat from the skillet to prevent the casserole from becoming greasy.
3. Step 3: Tenderize Bell Peppers: Stir in the diced bell peppers and continue to sauté for another 4-5 minutes. You want the peppers to become tender-crisp, softening slightly but still retaining some of their vibrant color and texture.
4. Step 4: Combine Remaining Ingredients: Now, add the 2 cans of drained diced tomatoes, the 1 can of diced green chiles, 1 cup of beef broth, and 1 cup of long-grain rice to the skillet. Give everything a good stir to combine all the ingredients thoroughly. Add another dash of salt and pepper to taste, adjusting as needed.
5. Step 5: Simmer to Perfection: Bring the mixture to a gentle boil. Once boiling, reduce the heat to low, cover the skillet tightly with a lid, and let it simmer until the rice is completely cooked through and tender. This will take approximately 16-20 minutes. It’s important to ensure the rice is soft and not hard or crunchy.
6. Step 6: Cheesy Finish and Garnish: Once the rice is cooked, remove the lid. Stir in the 1 cup of shredded cheese until it is evenly distributed throughout the casserole. Return the cover to the skillet and let it sit for just 1-2 minutes. The residual heat will beautifully melt the cheese into a gooey, irresistible layer. Serve hot, garnished with fresh cilantro, diced tomatoes, or thinly sliced red onion for a burst of freshness and color.

Storage and Freezing Tips for Your Casserole

This One Pot Mexican Stuffed Pepper Casserole is not only delicious freshly made but also fantastic as leftovers, making it perfect for meal prep!

• Refrigeration: To store leftover casserole, allow it to cool completely before transferring it to an airtight container. It will keep well in the refrigerator for up to 4 days. When ready to reheat, you can warm individual portions on the stove over medium heat, in the oven (covered with foil) until heated through, or quickly in the microwave. Add a splash of broth or water if it seems a bit dry during reheating.
• Freezing: This casserole freezes beautifully! Once the casserole has cooled completely, transfer it to a freezer-safe container or a heavy-duty freezer bag. For best results, consider portioning it into individual servings before freezing for easy thawing. It can be frozen for up to 3 months. To reheat from frozen, it’s best to thaw the casserole overnight in the refrigerator first. Once thawed, heat on the stove or in the oven until thoroughly warmed.
• Portioning for Convenience: If you’re freezing a larger batch, consider using aluminum foil pans or individual freezer-safe containers. This allows you to pull out just the right amount for a single meal or family dinner without thawing the entire batch.

Frequently Asked Questions (FAQ)

Here are answers to some common questions you might have about making this One Pot Mexican Stuffed Pepper Casserole:

• Can I use brown rice instead of white rice?
  Yes, you can! Brown rice will work, but it typically requires more liquid and a longer simmering time (usually around 40-45 minutes). You may need to add an additional 1/2 to 1 cup of beef broth and adjust the cooking time until the brown rice is tender.
• Can I make this casserole vegetarian?
  Absolutely! Simply substitute the ground beef with a plant-based ground crumble, cooked lentils, or an extra can of black beans and corn. Ensure your plant-based substitute is seasoned well to maintain flavor.
• What kind of skillet or pot is best for this recipe?
  A large, deep skillet (at least 10-12 inches in diameter with high sides) or a Dutch oven is ideal. This allows ample space for sautéing and simmering all the ingredients without overflow.
• Is this casserole spicy?
  The base recipe with 1/4 teaspoon of cayenne pepper offers a mild warmth. If you prefer it less spicy, omit the cayenne. For more heat, increase the cayenne, add fresh chopped jalapeños or serranos, or a dash of hot sauce.
• Can I prepare any components in advance?
  Yes! You can chop the onions and bell peppers ahead of time and store them in the refrigerator. You can also pre-cook and drain the ground beef. This will significantly speed up your dinner prep on a busy weeknight.
• What are some good toppings for this casserole?
  Fresh cilantro, diced avocado, a dollop of sour cream or Greek yogurt, a squeeze of fresh lime juice, extra shredded cheese, or even crushed tortilla chips all make excellent toppings!

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One Pot Mexican Stuffed Pepper Casserole

By Julia Jolliff

This One Pot Mexican Stuffed Pepper Casserole is a zesty, comforting meal inspired by your favorite stuffed peppers. This easy one pot meal features ground beef, a rainbow of bell peppers, rice, diced tomatoes, and Mexican spices, creating a comforting and flavorful dish.

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Prep: 15 mins

Cook: 25 mins

Total: 40 mins

Servings: 6 servings

Ingredients

• 2 tablespoons olive oil
• 1/2 sweet onion, chopped {about 1 cup}
• 1 teaspoon chili powder
• 1 teaspoon cumin
• 1/4 teaspoon cayenne pepper, {optional for spice}
• 1 teaspoon oregano , {try Mexican oregano for more spice}
• 1 pound ground beef, cooked and drained
• 3 cloves garlic , minced
• 2 bell peppers, seeds removed, diced {I like to use a variety of colors}
• 2 14.5 ounce cans of diced tomatoes, drained
• 1 4 ounce can diced green chiles
• 1 cup beef broth
• 1 cup long grain rice
• Salt and pepper to taste
• 1 cup cheese , {I used half cheddar half pepper jack}

Instructions

1. In a large skillet or pot, heat the olive oil over medium-high heat. Add the onion, chili powder, cumin, cayenne pepper, oregano, and a dash of salt and pepper. Sauté for 1 minute until fragrant.
2. Add the minced garlic and sauté for another minute. Then, add the ground beef and cook, breaking it up with a spoon, until the ground beef is fully cooked through and no longer pink, about 4-5 minutes.
3. Carefully drain the excess fat from the skillet. Stir in the diced bell peppers and continue to sauté for another 4-5 minutes, until the peppers become tender-crisp.
4. Add the drained diced tomatoes, diced green chiles, beef broth, and long-grain rice to the skillet. Add another dash of salt and pepper and stir all ingredients together until well combined.
5. Bring the mixture to a boil. Once boiling, cover the skillet with a tight-fitting lid and reduce the heat to low. Let it simmer gently until the rice is fully cooked through and tender, about 16-20 minutes.
6. Remove the lid and stir in the shredded cheese until it begins to melt. Return the cover and let it sit for 1-2 minutes to allow the cheese to fully melt and become gooey. Garnish with fresh cilantro, diced tomatoes, or thinly sliced red onion before serving.

Notes

• Try fire-roasted tomatoes instead of regular diced tomatoes for a deeper, smoky flavor profile.
• Other delicious additions to consider include black beans (drained and rinsed), canned corn (drained), or diced poblano peppers (add these when you sauté the bell peppers).

Nutrition Information (Approximate Per Serving)

Calories: 522kcal
Carbohydrates: 35g
Protein: 27g
Fat: 30g
Saturated Fat: 13g
Polyunsaturated Fat: 1g
Monounsaturated Fat: 10g
Trans Fat: 1g
Cholesterol: 96mg
Sodium: 495mg
Potassium: 661mg
Fiber: 3g
Sugar: 5g
Vitamin A: 1570IU
Vitamin C: 71mg
Calcium: 373mg
Iron: 4mg

Nutrition information is automatically calculated and should only be used as an approximation.

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