01 -
Preheat a large skillet over medium heat. Add ground beef and cook, breaking up with a spatula, until nearly browned with no visible pink.
02 -
Add chopped onions and bell peppers to the beef. Continue cooking and stirring for 5 to 10 minutes until the vegetables begin to soften.
03 -
Mix in the minced garlic and sauté for 1 to 2 minutes until aromatic.
04 -
Stir in Worcestershire sauce, Italian seasoning, salt, black pepper, beef broth, diced tomatoes, and uncooked rice. Blend thoroughly.
05 -
Raise the heat and bring the mixture to a boil. Cover, reduce to a simmer, and cook for 20 minutes. Stir once halfway through, until rice is fully cooked and tender.
06 -
Remove the lid, add half of the shredded mozzarella and cheddar cheeses, and stir until fully melted and integrated.
07 -
Sprinkle remaining cheese evenly over the top. Cover and allow cheese to melt, or place under a broiler for rapid melting if oven-safe. Serve hot.