Loaded Cheesy Pepper Bake

Welcome to the ultimate guide for a comforting and incredibly easy dinner solution: the stuffed pepper casserole with rice. This dish is a true family favorite, celebrated for its rich flavors reminiscent of traditional stuffed bell peppers, yet simplified into a convenient, deconstructed casserole. If you love the hearty appeal of our ground beef casserole with potatoes but crave a rice-based twist, this recipe is perfect for you. It’s a complete meal that brings classic comfort food to your table with minimal fuss, making it ideal for busy weeknights and even better as leftovers.

Cheesy Stuffed Pepper Casserole with Rice

Prepare to fall in love with this cheesy stuffed pepper casserole. It’s a delightful blend of vibrant bell peppers, juicy diced tomatoes, tender rice, and perfectly seasoned ground beef, all baked to perfection under a blanket of melted cheese. This recipe stands out as one of our quick and easy casseroles, delivering maximum flavor with minimum effort. Its hearty nature and universally appealing taste make it a guaranteed hit with everyone, including the pickiest eaters in your household. (Affiliate links may be present in this content.)

Why Choose Unstuffed Bell Pepper Casserole?

For those who adore stuffed green peppers, this casserole offers a fantastic, simplified alternative. While traditional stuffed peppers are undeniably delicious, they can be quite time-consuming to prepare, especially with the extra steps like blanching the peppers. In today’s fast-paced world, where many households have both parents working, an easier yet equally satisfying meal is often a necessity.

This deconstructed approach eliminates the need to blanch bell peppers entirely, instantly cutting down your prep time by at least half an hour. Instead, all the savory components are tossed together in a single dish, transforming a labor-intensive meal into a convenient one-pot wonder. You get all the classic, comforting flavors you love in a fraction of the time, making it a perfect weeknight dinner solution that doesn’t compromise on taste.

How to Blanch Bell Peppers - (Image for visual reference)

The inspiration for this easy deconstructed bell peppers recipe came from a deeply cherished family tradition. My husband grew up loving his Grandma’s stuffed peppers, a recipe I learned to make and one that even helped my daughters develop a fondness for bell peppers. While I still enjoy making the traditional version, there are days when energy levels are low, but the craving for those comforting flavors is strong. It was on one such day that the idea struck: why not create a casserole that captures the essence of stuffed peppers without all the individual stuffing and baking? And thus, this incredible dish was born!

The result exceeded all expectations. By simply combining the same beloved ingredients from the original recipe, with a few minor adjustments, we achieved a casserole that delivers on flavor and ease. One of the greatest advantages of this recipe is its flexibility. You can easily adjust the seasoning and spice levels to suit your family’s preferences. Before transferring the mixture to your casserole dish, give it a quick taste and add more salt, pepper, or a pinch of heat if desired. This adaptability ensures that every batch is perfectly tailored to your taste buds.

Stuffed Pepper Casserole with melted cheese and rice

Key Ingredients for Your Stuffed Pepper Casserole

Crafting this flavorful casserole relies on a handful of readily available ingredients. Here’s what you’ll need to create this comforting dish:

  1. Bell Peppers: While classic green bell peppers offer a traditional taste, don’t hesitate to use a mix of vibrant colors like red, yellow, or orange for added visual appeal and a sweeter note. Dice them for even distribution throughout the casserole.
  2. Ground Meat: We typically use 80/20 ground beef for its rich flavor, but feel free to opt for extra lean ground turkey or even ground chicken for a lighter version. The key is to brown it thoroughly to develop depth of flavor.
  3. Aromatics: Diced onion and minced garlic are essential for building a robust flavor base. Sautéing them with the ground meat releases their aromatic goodness, infusing the entire dish with irresistible fragrance.
  4. Diced Tomatoes: A can of petite diced tomatoes adds a burst of tangy freshness and additional liquid to the casserole. They break down beautifully during cooking, contributing to the sauce.
  5. Spaghetti Sauce (or Tomato Sauce): While tomato sauce works, using a good quality spaghetti sauce significantly enhances the flavor profile, adding more complexity and richness.
  6. Cooked Rice: This is crucial! Make sure your rice is cooked ahead of time before mixing it in. You can use Instant Pot white rice, stovetop white rice, or even brown rice for a nuttier, healthier option. For a low-carb alternative, cooked cauliflower rice can be a surprisingly good substitute.
  7. Mozzarella Cheese: Generous amounts of shredded mozzarella cheese create that irresistible gooey, golden topping. Feel free to use a combination of mozzarella and cheddar, or opt for dairy-free cheese if needed.
  8. Mushrooms (Optional): Sliced mushrooms are a wonderful addition, offering an earthy depth. If you have them on hand, they blend seamlessly into the mix.

Protein Substitutions for Customizing Your Casserole

One of the best aspects of this stuffed pepper casserole is its adaptability. You can easily switch up the protein to match your dietary preferences or simply to add a new twist to the dish:

  • For a Touch of Heat: Experiment with a blend of half ground beef and half spicy ground sausage. Jimmy Dean’s spicy sausage is a popular choice that introduces a fantastic savory kick. If you’re a true spice enthusiast, using a full roll of spicy sausage will elevate the heat even further.
  • Lighter Options: For a leaner meal, ground turkey or ground chicken are excellent alternatives to ground beef. They absorb the flavors of the sauce and vegetables beautifully, creating a wholesome and satisfying casserole.

Flavor Variations to Spice Up Your Stuffed Pepper Casserole

The suggested spices in this recipe provide a delicious foundation, but feel free to customize them to your liking. Always taste the mixture before baking to ensure it meets your preferred flavor profile.

  • Adding Heat: If you enjoy a bit of a kick, consider incorporating red pepper flakes or a dash of dry Sriracha into the mixture. For a smoky, tangy heat, a few dashes of your favorite hot sauce or Tobasco can make a big difference.
  • Herbaceous Notes: Beyond Italian seasonings, you can experiment with dried oregano, thyme, or even a pinch of dried basil for additional aromatic complexity.
  • Extra Veggies: Boost the nutritional content and texture by adding finely diced carrots, zucchini, or spinach. Ensure they are sautéed briefly with the onions and peppers to soften.
Can you substitute ground sausage instead of ground beef to make stuffed pepper casserole?

Absolutely! Using a blend of half spicy ground sausage (like Jimmy Dean’s) and half ground beef will infuse the casserole with incredible flavor and a delightful hint of heat. For a lighter, lower-fat option, ground turkey or ground chicken are fantastic protein substitutes that will still yield a delicious and satisfying dish.

What is the easiest way to make stuffed peppers?

The easiest method is to transform them into a casserole! This “unstuffed” approach eliminates the time-consuming blanching and stuffing steps. Simply brown your chosen meat, onions, and bell peppers together, then combine them with cooked rice and a savory sauce. Bake it in the oven with a generous topping of cheese, and you’ll have the easiest stuffed bell peppers recipe ever, with all the classic flavors.

Ground Beef for Casserole

When preparing this dish, you’ll notice the recipe calls for spaghetti sauce, which we’ve found adds a superior depth of flavor compared to plain tomato sauce. While you can certainly use either, we highly recommend spaghetti sauce if you have it on hand for that extra layer of richness. This recipe is designed for maximum convenience, often relying on canned and jarred ingredients to keep things easy peasy.

The beauty of this casserole lies in its simple assembly. You’ll essentially precook the meat and vegetables, then combine everything before pouring it into your casserole dish and baking it to meld all the flavors. When incorporating the cooked rice, remember to be gentle during mixing. You want to maintain the rice’s texture, preventing it from becoming mushy. The baking process is primarily to allow the ingredients to warm through, for the flavors to fully develop, and for the cheese to become wonderfully gooey. Since all the components are already cooked, there’s no need to worry about internal temperatures, just pure, delicious enjoyment.

Effortless Cooking: The Instant Pot Stuffed Pepper Casserole

For those who love the convenience of kitchen gadgets, this dish can also be adapted for your pressure cooker! Our Instant Pot stuffed pepper casserole takes ease to a whole new level. With the Instant Pot, you don’t even need to precook the rice separately, turning it into a true one-pot meal. Simply sauté the meat and vegetables directly in the pot, then add the remaining ingredients and let the pressure cooker work its magic. It’s a fantastic alternative for an even quicker, hands-off dinner.

Stuffed Pepper Casserole with cooked rice, ready to serve

Step-by-Step Guide to Making Unstuffed Peppers Casserole with Rice

This recipe comes together with remarkable ease, making it a perfect meal for any day of the week. Here’s a detailed guide to creating your delicious unstuffed bell peppers casserole with rice:

  1. Prepare the Base: Begin by heating olive oil in a large pot or Dutch oven over medium heat. Add your ground beef, breaking it apart as it browns. Once the meat is nearly cooked through, add the diced green bell peppers, onions, and minced garlic. Sauté until the vegetables soften and the meat is fully browned.
  2. Build the Flavor: Drain any excess grease from the pot. Stir in the diced tomatoes, spaghetti sauce, garlic powder, salt, seasoned salt, and pepper. If you like a little heat, now is the time to add chili powder or red pepper flakes. Bring the mixture to a slow boil, then reduce the heat and let it simmer for about 5 minutes, allowing the flavors to meld beautifully.
  3. Combine and Finish: Remove the pot from the heat. Gently fold in 1 cup of your shredded mozzarella cheese and the pre-cooked rice. Ensure the rice is thoroughly incorporated without overmixing. At this point, you could technically serve it as a stovetop meal, but baking elevates it to casserole perfection.
  4. Bake to Perfection: Preheat your oven to 350°F (175°C). Lightly spray a 9×13 inch casserole dish with non-stick spray. Spoon the entire mixture evenly into the prepared dish. Bake for 30 minutes, which allows all the flavors to deepen and the casserole to warm through.
  5. The Cheesy Topping: After 30 minutes, remove the casserole from the oven. Sprinkle the remaining 1/2 to 1 cup of mozzarella or cheddar cheese over the top. Return it to the oven for another 5-10 minutes, or until the cheese is melted, bubbly, and lightly golden brown.
  6. Serve and Enjoy: Allow the casserole to cool for a few minutes before serving. This helps the flavors settle and makes it easier to scoop. Serve this hearty dish as is, or with a simple side salad and some crusty bread.

Storing and Reheating Leftovers

We believe in savoring every last bite, and this stuffed pepper casserole makes fantastic leftovers. Proper storage ensures your meal stays delicious for days:

  • Cool Completely: Before storing, allow the casserole to cool completely at room temperature. This prevents condensation and helps maintain its texture.
  • Airtight Container: Transfer any remaining casserole into an airtight container. If you only have a small amount, a smaller container is ideal.
  • Refrigeration: Store the covered container in the refrigerator for up to 3-4 days. For optimal freshness and flavor, we recommend reheating within 24-48 hours.
  • Reheating in the Microwave: For individual servings, transfer the desired amount to a microwave-safe dish. Loosely cover with a paper towel and heat on high for 1-2 minutes, stirring halfway through, until warmed through. Adding a sprinkle of fresh shredded cheese during the last 20-30 seconds of reheating (uncovered) can revive that gooey topping.
  • Reheating in the Oven: For a larger portion or to enjoy a crispy top, preheat your oven to 300°F (150°C). Place the casserole in an oven-safe dish, cover loosely with foil, and bake for 15-25 minutes, or until heated through. Remove the foil for the last few minutes if you want to crisp up the top.

Explore More Easy Stuffed Pepper Recipes

If you’ve enjoyed the simplicity and flavor of this deconstructed stuffed pepper casserole, you’ll be thrilled to discover other easy variations that bring the same great taste with different cooking methods:

  1. Crockpot Stuffed Bell Peppers: Perfect for busy days, these slow cooker stuffed peppers cook gently throughout the day, ensuring a hot and ready meal awaits you when you get home. It’s a convenient way to enjoy perfectly tender peppers.
  2. Air Fryer Stuffed Peppers: For a quick and crispy twist, the air fryer offers a fantastic method for stuffed peppers. Skipping the blanching step makes prep even faster, delivering beautifully cooked peppers with a delightful texture in no time.
  3. Instant Pot Stuffed Peppers: Experience super-fast cooking with the Instant Pot. These pressure-cooked stuffed peppers steam quickly to tender perfection, ideal when you need a delicious meal on the table in a hurry.

Dive into the recipe below and discover why this easy stuffed pepper casserole with rice has become a cherished staple in countless homes. It’s an easy recipe we make quite often, and if you love stuffed peppers, you’re truly going to adore this simplified, cheesy, and utterly delicious version!

Baked stuffed pepper casserole with melted cheese, ground meat, rice, and vegetables in a turquoise dish.

Stuffed Pepper Casserole

By Justine
Easy cheesy stuffed pepper casserole with rice is a family favorite dinner! Like deconstructed stuffed bell peppers it’s an easy casserole topped with lots of cheese you can throw together and even my kids love it!
Prep: 15 mins
Cook: 35 mins
Total: 50 mins
Servings: 8

Equipment

  • 1 9×13 casserole dish
  • 1 pan (or large pot)

Ingredients

  • 1 1/2 green peppers, diced
  • 1 lb ground beef
  • 1/2 onion, diced
  • 3 tbsp olive oil
  • 1 tbsp garlic, minced
  • 1 can diced tomatoes
  • 2 c spaghetti sauce (or more at end if you prefer more sauce)
  • 1/2 tsp garlic powder
  • 1/2 tsp salt
  • 1/2 tbsp seasoned salt (Lawry’s)
  • 1 tsp pepper
  • 1 tsp chili powder (optional)
  • 2 c cooked rice
  • 2 c mozzarella cheese, shredded
  • 1 c mushrooms, cut into fourths (optional)
  • 1 tsp garlic salt

Instructions

  1. Put olive oil in a large pot or pan on medium heat.
  2. Add ground beef and brown it, breaking it apart. Add diced green peppers and onions and simmer until they soften slightly.
  3. Add all other ingredients except the cooked rice and cheese.
  4. Simmer everything for about 5 minutes until it reaches a slow boil, allowing flavors to meld.
  5. Turn heat off and gently stir in 1 cup of your shredded cheese and your cooked rice.
  6. Spray a 9×12″ casserole dish with non-stick spray and spoon the mixture evenly into the dish.
  7. Bake in the oven at 350 degrees F (175 C) for 30 minutes. Then, top with the remaining 1 cup of cheese and put back in for 5-10 minutes, or until cheese is melted and bubbly. Serve immediately!

Video

Nutrition

Serving: 5 oz,
Calories: 380 kcal,
Carbohydrates: 24 g,
Protein: 19 g,
Fat: 23 g,
Saturated Fat: 8 g,
Cholesterol: 62 mg,
Sodium: 1697 mg,
Potassium: 868 mg,
Fiber: 3 g,
Sugar: 9 g,
Vitamin A: 1085 IU,
Vitamin C: 17.2 mg,
Calcium: 195 mg,
Iron: 3.7 mg

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

Additional Info

Course: Entree, Main Course
Cuisine: American
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Inside out stuffed pepper casserole with melted cheese