Easy Stuffed Pepper Casserole (One-Pan Dinner Everyone Loves)

One-pan stuffed pepper casserole with melted cheese, bell peppers, rice, and ground sausage in a skillet

If you love classic stuffed peppers but don’t love the extra prep, this stuffed pepper casserole is about to become one of your go-to dinners. It delivers all the cozy, comforting flavors of traditional stuffed peppers—savory meat, tender bell peppers, rice, and melty cheese—but in a simple, scoopable casserole that comes together in one pan.

This recipe is perfect for busy weeknights, reheats beautifully, and uses affordable ingredients you probably already have on hand. Whether you’re feeding a family, meal prepping for the week, or just craving a hearty dinner without the fuss, this stuffed pepper casserole checks all the boxes.

One-pan stuffed pepper casserole with melted cheese, bell peppers, rice, and sausage in a skillet

Why You’ll Love This Stuffed Pepper Casserole

  • One-pan meal = fewer dishes
  • Easier than traditional stuffed peppers
  • Budget-friendly and filling
  • Perfect for reheating and leftovers
  • Customizable with beef, turkey, or sausage

This is the kind of dinner that works just as well for a relaxed Sunday night as it does for a hectic weekday.

Ingredients You’ll Need

Ingredients for stuffed pepper casserole including bell peppers, ground Italian sausage, rice, cheese, tomatoes, onion, and garlic

This stuffed pepper casserole uses simple, everyday ingredients—no fancy extras required.

  • Bell peppers (any color)
  • Ground Italian sausage (or ground beef)
  • Uncooked rice
  • Onion and garlic
  • Diced tomatoes or tomato sauce
  • Shredded cheese (mozzarella or cheddar work great)
  • Olive oil
  • Salt, pepper, and Italian seasoning

How to Make Stuffed Pepper Casserole (Step-by-Step)

1. Brown the Meat

In a large skillet or oven-safe pan, cook the ground sausage with onion until browned and fragrant. Add garlic and cook briefly.

2. Add Peppers and Rice

Stir in chopped bell peppers and uncooked rice. This gives the dish that classic stuffed pepper texture without stuffing anything individually.

3. Simmer

Add tomatoes and seasonings, then cover and let everything simmer until the rice is tender and the peppers are soft.

4. Add Cheese

Sprinkle cheese over the top and either cover until melted or transfer to the oven for a bubbly, golden finish.

One-pan stuffed pepper casserole with melted cheese, bell peppers, rice, and ground sausage in a skillet

Easy Stuffed Pepper Casserole

420kcal
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Prep 15 minutes
Cook 30 minutes
Total 45 minutes
This easy stuffed pepper casserole has all the cozy, comforting flavors of traditional stuffed peppers in a one-pan, scoopable dinner that’s perfect for busy weeknights.
Servings 6 servings
Course Casserole, Dinner
Cuisine American

Ingredients

Main Ingredients
  • 1 lb ground Italian sausage or ground beef
  • 3 bell peppers chopped, any color
  • 1 cup uncooked rice white or brown
  • 1 onion chopped
  • 2 cloves garlic minced
  • 15 oz diced tomatoes or tomato sauce 1 can
  • 1 cup shredded cheese mozzarella or cheddar
  • 1 tbsp olive oil
  • salt, pepper, and Italian seasoning to taste

Equipment

  • Large Skillet or Oven-Safe Pan

Method

  1. In a large skillet, heat olive oil and cook ground sausage with chopped onion until browned. Add garlic and cook briefly.
    Ingredients for stuffed pepper casserole including bell peppers, ground Italian sausage, rice, cheese, tomatoes, onion, and garlic
  2. Stir in chopped bell peppers and uncooked rice.
  3. Add diced tomatoes or tomato sauce, Italian seasoning, salt, and pepper. Cover and simmer until rice is tender and peppers are soft (about 20–25 minutes).
  4. Sprinkle cheese over the top and cover until melted, or broil briefly for a golden finish.

Nutrition

Calories420kcalCarbohydrates30gProtein25gFat20gSaturated Fat8gCholesterol55mgSodium760mgPotassium480mgFiber3gSugar5gVitamin A950IUVitamin C90mgCalcium180mgIron3.2mg

Notes

Feel free to substitute the meat or cheese with your preferred alternatives. Cauliflower rice can be used for a low-carb version.

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“If you love easy, hearty casseroles, you’ll also like this sausage casserole for another budget-friendly meal idea

Is Stuffed Pepper Casserole Healthy? Calories & Nutrition

This stuffed pepper casserole can absolutely fit into a balanced diet, depending on how it’s made.

Protein Content

Using ground sausage or beef makes this a high-protein meal that helps keep you full longer.

Calories

Calories vary based on cheese and meat choice, but this casserole is naturally portion-friendly since it’s filling without being overly heavy.

Nutrition Facts Highlights

  • Bell peppers provide vitamin C and fiber
  • Can be made with lean meat or turkey
  • Easy to adapt for a lighter, healthier dinner

This makes it a great option for anyone looking for a healthy dinner recipe that still feels like comfort food.

Healthy Dinner Recipes with Ground Sausage

One reason this dish is so popular is that it fits perfectly into the category of healthy dinner recipes with ground sausage.

Ground Italian sausage adds:

  • Big flavor without complicated seasoning
  • Protein for a satisfying meal
  • A hearty texture that pairs well with rice and peppers

To lighten it up, you can use chicken or turkey sausage without sacrificing taste.

Meals with Bell Peppers: Why This Casserole Works

If you’re searching for meals with bell peppers, this casserole is a standout.

Bell peppers:

  • Add natural sweetness
  • Soften beautifully during cooking
  • Pair perfectly with tomato-based sauces

Unlike traditional stuffed peppers, chopping the peppers allows their flavor to spread evenly throughout the dish.

Reheatable Dinners & Meals with Leftovers

This recipe is ideal for:

  • Reheatable dinners
  • Weekly meal planning
  • Easy lunches the next day

The flavors actually improve after sitting, making it one of those meals with leftovers you’ll look forward to reheating.

Variations and Substitutions

  • Ground beef instead of sausage
  • Brown rice or cauliflower rice (adjust liquid)
  • Mexican-style seasoning with taco spices
  • Unstuffed peppers dish by skipping cheese for a lighter version

Storage, Freezing, and Reheating Tips

  • Store in an airtight container for up to 4 days
  • Freeze individual portions for quick meals
  • Reheat in microwave or oven until warmed through

Frequently Asked Questions

Can I make stuffed pepper casserole ahead of time?

Yes, this casserole is perfect for making ahead and reheating later.

Is this an unstuffed peppers dish?

Yes! It has all the flavors of stuffed peppers without the stuffing step.

What’s the best rice to use?

White rice cooks fastest, but brown rice works with extra liquid and time.

Can I make it without rice?

Yes, cauliflower rice works well for a low-carb option.

Is stuffed pepper casserole freezer-friendly?

Absolutely. Let it cool completely before freezing.

Conclusion

This stuffed pepper casserole is everything a great dinner should be: easy, comforting, budget-friendly, and packed with flavor. It’s a perfect solution when you want the taste of stuffed peppers without the extra work—and it fits beautifully into meal prep, reheatable dinners, and family-friendly cooking.

If you enjoyed this recipe, be sure to explore more easy one-pan dinners and comforting casseroles your whole household will love.

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