1
Preheat oven to 375 degrees
2
cook rice per package instructions
3
Cook onion and olive oil over medium heat until onion begins to soften, about 5 minutes. Transfer half of cooked onion to a large bowl and set aside.
4
Stir marinara sauce, beef broth, balsamic vinegar, and red pepper flakes into skillet; cook and stir 1 minutes.
5
Pour marinara sauce mix baking dish and set aside.
6
Combine ground beef, Italian sausage, diced tomatoes, Italian parsley, garlic, salt, pepper, and cayenne pepper into bowl with reserved onions; mix well. Stir in cooked rice and Parmigiano Reggiano.
7
Cut bell peppers in half and deseed.
8
Stuff green bell peppers with beef and sausage mixture.
9
Place stuffed green bell pepper halves in the baking dish over marinara sauce; sprinkle with remaining Parmigiano-Reggiano, cover with aluminum foil and bake in the preheated oven for 45 minutes.
10
Remove aluminum foil and bake until the meat is no longer pink, the peppers are tender and the cheese is browned on top, an additional 20 to 25 minutes.
11
Enjoy!!