Preheat the oven: Preheat your oven to 350°F (175°C). Grease a 9x13-inch baking dish.,
Cook the cabbage: In a large pot, bring water to a boil. Add the chopped cabbage and cook for about 5-7 minutes, just until tender. Drain and set aside.,
Brown the beef: In a large skillet, heat olive oil over medium heat. Add the chopped onion and garlic, cooking for 2-3 minutes until softened. Add the ground beef and cook until browned, breaking it apart with a spoon.,
Prepare the sauce: Stir in the tomato sauce, diced tomatoes, brown sugar, Worcestershire sauce, oregano, and basil. Season with salt and pepper to taste. Let the sauce simmer for 5 minutes.,
Assemble the casserole: In a large mixing bowl, combine the cooked rice, cooked cabbage, and beef mixture. Stir until evenly mixed.,
Bake the casserole: Transfer the mixture into the prepared baking dish. Cover with foil and bake for 45 minutes.,
Add cheese (optional): If desired, sprinkle shredded cheese on top of the casserole and bake for an additional 10-15 minutes, uncovered, until the cheese is melted and bubbly.,
Serve: Let the casserole cool for a few minutes before serving.,