Weeknight Stuffed Cubanelle Peppers with Beef and Rice
These stuffed Cubanelle peppers get filled with a savory mix of ground beef, rice, and Parmesan, then baked in a simple tomato sauce until the peppers turn silky and the tops get browned.
It’s the kind of dinner that feels just a little bit special without needing a complicated recipe.
What Makes These Cubanelle Peppers So Good
The peppers themselves get wonderfully tender, almost melting into the filling, with a gentle sweetness that balances the savory beef.
They’re hearty enough to stand as a full meal right out of the oven, yet remain light because Cubanelles aren’t as thick or bitter as bell peppers.
I keep coming back to this version because it bakes all in one dish and makes enough sauce to spoon over rice or bread.
Ingredients
- 8 Cubanelle peppers: bright green, firm, about 5 to 6 inches long
- 1 lb ground beef: 80% lean works best for flavor without too much grease
- 1 tbsp olive oil
- 1 small onion: diced
- 2 garlic cloves: minced
- ½ cup cooked rice: white or brown, cold leftover rice is ideal
- ⅓ cup grated Parmesan cheese: plus 2 tbsp more for topping
- 1 ½ cups tomato sauce: divided, use a thick canned crushed tomato or passata
- 1 tsp dried oregano
- ½ tsp salt
- Black pepper: to taste
- Small handful fresh parsley: chopped, for garnish
Variations / Substitutions
- Ground turkey or chicken: swap the beef 1:1, the filling will be leaner but still moist
- Quinoa or farro instead of rice: cook them first, then measure ½ cup for the filling
- No cheese: skip the Parmesan and add 1 tablespoon nutritional yeast for a savory note, or just leave it out
- Add a little heat: stir in ¼ teaspoon red pepper flakes with the oregano
- Bell peppers: use 4 large bell peppers, cut in half through the stem and seed them; bake 10 minutes longer
If you want a no-cook stuffing idea, try Italian Stuffed Artichokes next.
How to Make Stuffed Cubanelle Peppers
Step 1: Parboil the Peppers
Bring a large pot of salted water to a boil. While it heats, slice off the stem ends of the 8 Cubanelle peppers and scoop out the seeds and ribs with a small spoon. Drop them into the boiling water and cook for exactly 2 minutes, then drain and set them cut-side down on a towel to dry.
They’ll look a little brighter green and just barely softened, which is exactly right. Don’t skip this brief blanch: it jump-starts the cooking so the peppers finish tender in the oven without turning mushy.
Step 2: Sauté the Onion and Brown the Beef
Warm a large skillet over medium heat, add the 1 tablespoon olive oil, then the diced onion. Cook until translucent, about 3 minutes, then stir in the 2 minced garlic cloves for another 30 seconds.
Push the aromatics to one side, add the 1 lb ground beef, and break it up with a spatula. Cook, stirring occasionally, until no pink remains, about 6 minutes. Drain off any excess fat. The pan should smell deeply savory now, and a little browning on the meat adds a lot of flavor.
Step 3: Mix the Filling
Remove the skillet from the heat and let it cool slightly. Stir in ½ cup cooked rice, ⅓ cup grated Parmesan, ½ cup of the tomato sauce, 1 teaspoon dried oregano, ½ teaspoon salt, and a few cracks of pepper. Mix until everything is evenly coated.
The filling should look moist but not soupy: the rice and meat absorb the sauce, keeping the peppers from drying out in the oven.
Step 4: Stuff the Peppers
Spoon the filling into each parboiled pepper, pressing gently to pack it in without splitting the sides. Stand them upright in a baking dish just big enough to hold them snugly.
Placing them close together helps the peppers stay upright and catch all the sauce that comes later.
Step 5: Bake the Peppers
Preheat the oven to 375°F (190°C). Pour the remaining 1 cup of tomato sauce over and around the peppers. Cover the dish tightly with foil and bake for 25 minutes, until you can see the peppers start to slump and the sauce bubbles at the edges.
After 25 minutes, remove the foil, sprinkle the tops with the extra 2 tablespoons Parmesan, and bake uncovered for another 10 minutes, so the cheese melts and the filling tips get faintly crisp. If you want a deeper color, switch on the broiler for the last minute, but watch closely so the cheese doesn’t burn. The peppers will look wrinkled and tender, with a lightly caramelized top.
Step 6: Spoon Sauce and Garnish
Pull the dish from the oven and let it rest just a minute. Use a large spoon to transfer each pepper to a plate and ladle some of the pan sauce over them.
A sprinkle of fresh parsley on top adds color and a little brightness. Serve right away while the peppers are hot and the sauce is still bubbling.
A Few Tips Before You Start
- Pick fresh peppers: look for Cubanelles that are glossy, firm, and free of soft spots. They hold their shape better during baking.
- Don’t overstuff: fill each pepper to the top but don’t cram it tight. Overpacking makes them more likely to split in the oven.
- Make the filling ahead: you can cook the beef mixture, mix in the rice and seasonings, and refrigerate it overnight. The next day, just stuff and bake.
- Trim the bottoms if needed: if a pepper won’t stand upright, shave a thin slice off the bottom to create a flat base. Be careful not to cut through to the cavity.
Scale it up or down:
| Servings | Peppers | Beef | Rice | Parmesan | Tomato Sauce |
|---|---|---|---|---|---|
| 2 | 4 | ½ lb | ¼ cup | 3 tbsp + 1 tbsp | ¾ cup |
| 4 | 8 | 1 lb | ½ cup | ⅓ cup + 2 tbsp | 1 ½ cups |
| 6 | 12 | 1 ½ lb | ¾ cup | ½ cup + 3 tbsp | 2 ¼ cups |
Keeping Leftover Stuffed Peppers
- Refrigerate: store in an airtight container for up to 3 days. The peppers will absorb more sauce as they sit.
- Reheating: warm them in a covered skillet with a splash of water over low heat, or microwave for 2 minutes. A hot oven (350°F) for 10 minutes also works.
What to Serve With Stuffed Cubanelle Peppers
A simple green salad dressed in lemon and olive oil cuts through the richness of the meat filling. For something heartier, crusty bread or warm focaccia soaks up the extra tomato sauce nicely. Sautéed spinach or Swiss chard with garlic makes a quick green side that cooks while the peppers bake.
Frequently Asked Questions
Can I make these without meat?
Yes, you can use crumbled tempeh or a plant-based ground crumble. Cook it just like the beef, then proceed with the recipe. The bake time stays the same.
How do I stop the peppers from turning watery?
Cubanelles have thin walls, so they release some moisture naturally. Draining the beef well and using a thick tomato sauce keeps the dish from getting soupy. That brief parboil also sets their structure so they soften without collapsing.
Can I use jarred roasted red peppers instead?
You can, but the result will be different. Roasted peppers are much softer and already cooked. Skip the parboil, reduce the covered bake time to 15 minutes, and watch carefully so they don’t fall apart.
Will the filling hold together if I make it a day ahead?
Yes, the rice and Parmesan bind the mixture, so it keeps well overnight in the fridge. Let it come to room temperature before stuffing so it bakes evenly.
Stuffed Cubanelle Peppers Recipe
Ingredients
Method
- Cut the stems off the peppers and remove the seeds. Boil in salted water for 2 minutes, then drain and dry.
- Heat oil in a skillet over medium. Cook onion until translucent, 3 minutes, then add garlic for 30 seconds. Add beef and cook until no pink remains, about 6 minutes. Drain fat.
- Off heat, stir in rice, ⅓ cup Parmesan, ½ cup tomato sauce, oregano, salt, and pepper.
- Fill each pepper with the mixture and stand them upright in a snug baking dish.
- Preheat oven to 375°F (190°C). Pour the remaining 1 cup tomato sauce over and around the peppers. Cover with foil and bake 25 minutes. Uncover, top with 2 tbsp Parmesan, and bake 10 minutes more.
- Let rest a minute, then plate and spoon pan sauce over each pepper. Garnish with parsley and serve hot.
