01 -
Warm the oven to 375°F (190°C), ensuring the rack is positioned in the center for even heating.
02 -
Brown the ground meat in a large skillet over medium heat, breaking it into crumbly pieces until no pink remains, approximately 6-7 minutes. Drain excess grease thoroughly.
03 -
Introduce diced onions and bell peppers to the skillet, sautéing until vegetables become tender and slightly translucent, around 4-5 minutes. Add minced garlic and cook for an additional 60 seconds.
04 -
Pour tomato sauce, diced tomatoes, tomato paste, and broth into the skillet. Sprinkle Italian seasoning, salt, and pepper. Simmer the mixture for 7-8 minutes, allowing flavors to intertwine and develop depth.
05 -
Fold cooked rice (or cauliflower rice) into the skillet, ensuring uniform distribution of ingredients throughout the mixture.
06 -
Transfer the complete mixture into a greased 9×13-inch baking dish, spreading evenly and creating a smooth surface. Generously scatter shredded cheese across the top.
07 -
Place casserole in the preheated oven and bake for 22-25 minutes until cheese melts completely and develops a golden, bubbly texture.
08 -
Remove from oven and let rest for 5 minutes to allow flavors to settle. Optionally garnish with fresh chopped parsley before serving.