Stuffed Pepper Casserole
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Stuffed Pepper Casserole is the kind of one-pan dinner that solves the “what’s for dinner?” question before it even starts. It’s hearty, flavorful, and comes together in a single skillet, which means fewer dishes and more time actually enjoying your meal. Think all the cozy flavors of classic stuffed peppers, but simplified into a quick and comforting dinner your family will actually ask for again.
Bookmark-Worthy Because…
- Easy weeknight dinner – Perfect when you need a hearty meal fast without a lot of cleanup.
- One pot meal – Everything cooks in a single skillet, saving time and dishes.
- Ground beef recipes – A budget-friendly way to turn a pound of beef into a filling family dinner.
This bell pepper casserole is the kind of recipe that makes weeknights easier without skimping on flavor. It’s a cozy mix of beef, peppers, rice, and melty cheese that all comes together in one skillet, giving you comfort food vibes with hardly any cleanup.
I’ve made plenty of stuffed pepper recipes over the years, and this one is by far the most practical for busy nights. It’s tested in my own kitchen and made with simple ingredients you can trust, which is why it’s one of those dinners I know will turn out every time.
Before You Start Cooking
This pepper casserole dish uses simple, everyday ingredients but delivers major comfort-food flavor. Here’s a breakdown of what you’ll need, plus a few tips to make each one shine:
- Ground beef – Use lean ground beef to cut down on extra grease. You can also swap in ground turkey or chicken if you want it lighter.
- Bell pepper – Any color works, but mixing red, yellow, and green gives great flavor and color contrast.
- Onion – A yellow onion adds sweetness, but white works if that’s what you have. Chop it finely so it blends smoothly into the dish.
- Seasonings (Italian seasoning, salt, and pepper) – This trio builds flavor without overwhelming the dish. Taste and adjust as you go.
- Garlic – Fresh minced garlic is best for depth, but jarred garlic works in a pinch.
- Beef broth – Adds richness and helps cook the rice evenly. Low-sodium broth gives you more control over salt.
- Tomato sauce – Thickens the base and gives it that classic stuffed pepper flavor.
- Fire-roasted diced tomatoes – They add a smoky edge and a burst of texture you don’t get with plain canned tomatoes.
- Worcestershire sauce – Just a splash deepens the savory flavor and balances the acidity of the tomatoes.
- Rice – Long-grain white rice works perfectly here since it cooks up fluffy and soaks in the flavors.
- Cheese (cheddar and pepper jack) – The cheddar gives that gooey, comforting melt while pepper jack adds a little kick.
That’s it! Nothing fancy, just pantry staples working overtime to make a hearty, flavorful dinner. With everything cooked in one skillet, you’ll love how easy cleanup is too.
Jesseca’s Recipe Review
I’ll be honest, I don’t actually love traditional stuffed peppers. BUT this recipe for stuffed pepper casserole completely changed my mind. It has all the bold, cozy flavors I want in a weeknight dinner without the fussy prep. The rice, beef, and veggies soak up that rich tomato base, and the melty cheese on top ties it all together. It’s hearty, flavorful, and the kind of dish I happily go back for seconds.
Tip from Jesseca:
Let the casserole rest for 5 minutes after cooking. This gives the rice time to absorb extra liquid and makes the slices hold together better when serving.
Variations and Substitutions
The beauty of this stuffed pepper skillet is how flexible it is. You can easily adjust it to fit your taste or what you already have in the pantry:
- Protein swap – Try ground turkey, chicken, or even Italian sausage for a different flavor profile.
- Vegetarian version – Skip the meat and add black beans or lentils for a hearty, plant-based option.
- Cheese choices – Love it extra cheesy? Use mozzarella for a stretchy finish or swap in Monterey Jack for a mild, creamy melt.
- Pepper flexibility – Bell peppers are standard, but poblano peppers add a smoky, mild heat that works beautifully.
- Spice it up – A pinch of red pepper flakes or a dash of hot sauce adds a little kick if you like more heat.
This dish is meant to be easygoing, so don’t stress about sticking to the exact ingredients—your version will still be just as comforting and delicious.
Stuffed Pepper Casserole Recipe
This one-pan recipe comes together quickly and is perfect for busy nights. Here’s the gist of how it’s made:
- Brown the beef and veggies – Cook the ground beef, onion, and peppers together, then drain the grease.
- Season and simmer – Stir in garlic and seasonings, then add broth, tomato sauce, fire-roasted tomatoes, Worcestershire, and rice. Cover and simmer until the rice is tender.
- Add cheese – Stir in a little cheese for creaminess, then top with the rest and let it melt.
That’s it! A hearty, cheesy dinner in one skillet with very little cleanup.
Helpful Tools
You don’t need anything fancy to pull off this stuffed pepper casserole, but a few key tools will make the process easier and smoother:
- Large skillet with lid – Since this is a one-pan meal, you’ll want a deep skillet that can hold everything and a lid to trap steam for cooking the rice.
- Wooden spoon or spatula – Perfect for breaking up the beef as it cooks and stirring without scratching your pan.
- Cutting board – Give yourself plenty of space to prep veggies and keep things tidy.
Having these on hand means dinner comes together faster with less mess—exactly what you want on a busy night.
Recipe FAQs
Yes, but brown rice takes longer to cook and needs more liquid. Add an extra ½ cup of broth and plan for at least 15–20 more minutes of simmer time.
If the rice is still firm, add ¼ cup of broth or water, cover, and continue simmering for another 5 minutes. Make sure the heat is low so it doesn’t scorch the bottom.
Absolutely. Swap the beef for black beans or lentils, use vegetable broth, and you’ll have a hearty meatless version.
Cheddar and pepper jack give the best combo of flavor and creaminess, but mozzarella or Monterey Jack are great substitutes.
Storage and Make-Ahead Instructions
One of the best parts about this stuffed pepper casserole is how well it keeps, making it perfect for busy weeks.
- Refrigerator: Store leftovers in an airtight container in the fridge for up to 4 days. Reheat in the microwave for quick servings, or warm gently on the stove with a splash of broth to keep the rice from drying out.
- Freezer: Let the casserole cool completely, then transfer to a freezer-safe container. Freeze for up to 2 months. Thaw overnight in the fridge before reheating.
- Make-Ahead Option: Prepare the casserole up until the step where you add the cheese. Let it cool, cover tightly, and refrigerate for up to 24 hours. When ready to serve, reheat on the stove or in the oven, then stir in and top with cheese to finish.
This dish is a lifesaver for meal prep. You’ll love pulling out a homemade dinner that’s already cooked and ready to go.
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One Pan Stuffed Pepper Casserole
Ingredients
- 1 lb ground beef
- 2 bell peppers (any color)
- 1/2 cup diced onion
- 11/2 teaspoon Italian Seasoning
- 1/2 Teaspoon salt
- 1/4 teaspoon pepper
- 3 cloves garlic
- 2 cups broth
- 8 oz tomato sauce
- 1 can fire roasted diced tomatoes
- 1 tablespoon Worcestershire
- 1 cup rice
- 3/4 cup cheddar cheese
- 1/2 cup pepper jack
Instructions
- In a large skillet, cook the ground beef, onion, and bell peppers over medium heat until the beef is browned and cooked through. Drain any excess grease.
- Stir in the garlic, Italian seasoning, salt, and pepper. Cook for 1 minute, stirring often, until fragrant.
- Pour in the beef broth, tomato sauce, fire-roasted diced tomatoes, and Worcestershire sauce. Stir to combine. Add the rice, cover the skillet with a lid, and reduce the heat to low. Simmer for about 25-30 minutes, or until the rice is tender and most of the liquid is absorbed.
- Remove the skillet from the heat. Stir in ½ cup cheddar cheese and ¼ cup pepper jack until melted. Sprinkle the remaining cheese evenly over the top, cover for a few minutes, and let it melt before serving.
Video
Nutrition
The nutrition facts provided are calculated using a third-party tool and are estimates only. Actual nutritional content may vary based on the ingredients and brands you use, as well as portion sizes. For accurate results, please consult a registered dietitian or nutritionist.
the recipe says 3 cloves, I think you mean 3 cloves of garlic?
Hi Melissa, yes. You are correct. I’ve fixed the recipe card. Thank you for pointing that out.
Another winner. Every recipe I’ve tried from One Sweet Appetite has been copied and put in a safe place! I love the simplicity and the flavors of this! Stuffed peppers were one of my mother’s specialties.. so this reminds me of home. Thanks for taking the time to share! So delicious
Toni, this made my day. I love that this recipe brought a little taste of home for you! Those are the best kind of meals. Thank you for trusting my recipes and for such a kind comment.
I love making “Stuffed Peppers “ this is exactly how i make my peppers.!!!
Your recipe is perfect, easier than stuffing each pepper.
Many Thanks 😊
I’m so glad you think so, Martha! It’s one of my favorite shortcuts. You get the same cozy flavor, way less work. Thanks for taking the time to share, and happy cooking!
So easy to make, and even tastes better the next day!
Sandra, I am so glad you loved this recipe. It’s one of my newest additions to the site an done of my personal favorites. Great tip about it being better next day!