Name: Cheesy Italian Stuffed Peppers with Mozzarella Recipe
Prep time: 20 min
Cook time: 55 min
Total time: 1 h 15 min
Cuisine: Italian
Ingredients: 4 red peppers; 1 tbsp olive oil; 1 yellow onion, diced; 1 lb ground beef; 2 tsp garlic, diced; 1 cup pasta sauce, divided; 2 tbsp water; 1 fresh mozzarella log (about 8 oz), diced; 1 green onion, whites removed and diced

Jump to Recipe· 4.3 from 252 reviews

If you’re craving a dish that feels like a warm Italian hug, you’re going to love this Cheesy Italian Stuffed Peppers with Mozzarella Recipe. These peppers are bursting with a rich, savory filling of ground beef, simmered in vibrant pasta sauce, and oozing with fresh mozzarella that melts into every bite. Imagine juicy red peppers packed full of comfort and topped with that irresistible bubbly cheese that turns every forkful into a moment of pure joy. Whether served over your favorite pasta or cauliflower rice, this recipe delivers a classic Italian experience right in your own kitchen.

Ingredients You'll Need

A close-up of a black pan on a stove filled with cooked small brown meat pieces mixed with small white cubes of cheese and bits of red bell pepper. A wooden spoon stirs the mixture from the right side of the pan. The food looks thick with a moist texture, and the meat pieces are uneven in size. The background shows part of the stove and some kitchen elements, with a warm and cozy cooking scene. The surface under the pan is a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

Building a fantastic meal doesn’t have to be complicated. With just a handful of simple, fresh ingredients, each contributes its own magic—vivid colors, hearty flavors, and silky textures—that come together perfectly in this dish.

4 red peppers: These sweet, sturdy peppers are perfect for stuffing and provide a beautiful base for the dish.
1 tablespoon olive oil: Adds depth and helps soften the onions and diced peppers for the filling.
1 yellow onion, diced: Offers a mild sweetness and aromatic foundation.
1 lb ground beef: The hearty protein that makes these stuffed peppers satisfying and meaty.
2 teaspoon garlic, diced: Infuses the filling with classic Italian warmth and a touch of spice.
1 cup pasta sauce, divided: Rich tomato flavor ties all the stuffing ingredients together beautifully.
2 tablespoon water: Helps to balance the sauce and keep the filling moist.
1 fresh mozzarella log: Provides creamy, melty goodness inside and on top of the peppers.
1 green onion, whites removed and diced: Adds a fresh, subtle onion bite as a finishing touch.

How to Make Cheesy Italian Stuffed Peppers with Mozzarella Recipe

Step 1: Prep the Peppers

Start by preheating your oven to 375 degrees. Bring a large pot of water to a boil, then slice the tops off the red peppers. Carefully hollow each one out, reserving the pepper tops for the filling. Boil the hollowed peppers for 3 minutes to soften them a bit, then drain and run under cool water until they reach room temperature. This step keeps the peppers tender but still sturdy enough to hold all that delicious filling.

Step 2: Cook the Filling

Heat olive oil in a pan over medium-high heat, and add the diced onion and reserved red pepper tops. Sauté for about 5 minutes until the onions turn translucent and the peppers soften. Next, add the ground beef and garlic. Break the meat apart and stir frequently, cooking for about 15 minutes until the beef is browned and perfectly cooked through.

Step 3: Simmer with Sauce and Mozzarella

Now, pour ½ cup of the pasta sauce along with the water into the beef mixture. Turn the heat to low and let it simmer gently for 5 minutes to let the flavors meld and the liquid reduce. Stir in 1 cup of diced fresh mozzarella and then remove the pan from heat. That gooey cheese folded into the meat is exactly what makes this recipe extra special and rich.

Step 4: Assemble and Bake

Pour the remaining ½ cup of pasta sauce in the bottom of a 9x9 inch oven-safe casserole dish. Place the boiled red peppers upright in the dish and stuff each pepper generously with the beef and mozzarella filling. Spoon a tablespoon of pasta sauce on top of each stuffed pepper, then add one or two slices of mozzarella on top. Bake in the preheated oven for 30 to 35 minutes until the cheese melts fully and starts to bubble and turn golden around the edges. Finish by sprinkling diced green onion over the hot peppers before serving.

How to Serve Cheesy Italian Stuffed Peppers with Mozzarella Recipe

There is a white baking dish filled with four bright red bell peppers standing upright. Each pepper is stuffed with a brown filling that looks crumbly and textured, and on top of the filling is a thick, smooth, round slice of white cheese. The baking dish sits on a white marbled surface with a green and white checkered cloth partly visible underneath. The overall look is fresh and colorful, showing the layers of red pepper, brown filling, and white cheese. photo taken with an iphone --ar 4:5 --v 7

Garnishes

A little fresh green onion adds vibrant color and a mild onion flavor that perfectly complements the hearty, cheesy stuffed peppers. For an extra Italian touch, grate some fresh Parmesan cheese over the top right after baking. It adds a salty, nutty finish that elevates the dish to restaurant quality.

Side Dishes

These peppers shine on their own but are even better when paired with your favorite pasta or a low-carb alternative like cauliflower rice. A simple green salad dressed in balsamic vinegar or a side of garlicky sautéed spinach can add freshness and balance the richness beautifully.

Creative Ways to Present

For a cozy family dinner, serve these stuffed peppers right from the casserole dish for a rustic feel. If you’re hosting guests, plate each pepper individually over a bed of spaghetti or creamy polenta and drizzle a bit of extra pasta sauce around the edges. You can also make mini versions using smaller peppers as delightful appetizers that will wow everyone.

Make Ahead and Storage

Storing Leftovers

After enjoying your delicious meal, wrap any leftovers tightly and store them in the refrigerator. The peppers keep well for up to 3 days and actually taste even better as the flavors continue to meld.

Freezing

If you want to enjoy this Cheesy Italian Stuffed Peppers with Mozzarella Recipe later, freeze the cooked and assembled stuffed peppers (before baking). Thaw them in the fridge overnight before baking, making weeknight dinners worry-free and easy.

Reheating

Reheat leftover stuffed peppers in the oven at 350 degrees for about 15-20 minutes until warmed through, which helps keep the peppers tender and the cheese deliciously melty. Alternatively, microwave on medium power in short bursts but watch the cheese so it doesn’t overcook.

FAQs

Can I use other types of cheese instead of mozzarella?

Absolutely! While mozzarella gives you that classic melty stretch, you can swap in provolone, fontina, or even a sharp cheddar for a different flavor profile. Just be sure it melts well to keep the dish creamy and gooey.

Are these stuffed peppers gluten-free?

Yes, this Cheesy Italian Stuffed Peppers with Mozzarella Recipe is naturally gluten-free as long as your pasta sauce is without gluten-containing ingredients. It’s a great option for those watching their gluten intake.

Can I make this recipe vegetarian?

Definitely! Swap the ground beef for cooked lentils, mushrooms, or a plant-based meat alternative. Use a flavorful tomato sauce and plenty of mozzarella to keep the dish hearty and satisfying.

How spicy is this recipe?

This recipe is mild by default, perfect for all palates. If you love a little heat, consider adding red pepper flakes to the filling or sprinkling some crushed chili on top before baking.

What’s the best way to reheat without drying out the peppers?

Reheating in the oven covered loosely with foil helps retain moisture and keeps the cheese gooey. Avoid high heat microwaving which can dry the peppers and make the texture less pleasant.

Final Thoughts

There’s something so undeniably comforting and joyous about this Cheesy Italian Stuffed Peppers with Mozzarella Recipe. It’s the kind of meal that warms your heart, fills your kitchen with amazing aromas, and leaves everyone asking for seconds. I hope you’ll give it a try soon—your taste buds and your loved ones will thank you!