01 -
Boil the pasta in generously salted water until just al dente. Drain thoroughly and set aside.
02 -
In a large skillet, heat a drizzle of olive oil over medium heat. Sauté the diced onion and both bell peppers for 3 to 4 minutes until softened.
03 -
Add minced garlic, cooking for 30 seconds until fragrant. Incorporate the ground beef and cook, breaking it apart, until evenly browned. Drain excess fat from the pan.
04 -
Stir in tomato sauce, ketchup, tomato paste, Worcestershire sauce, brown sugar, chili powder (if using), salt, and pepper. Mix thoroughly and allow the mixture to simmer for 5 to 7 minutes, developing a thick, aromatic sauce.
05 -
Preheat oven to 190°C. In a large mixing bowl, gently fold together the cooked pasta and beef mixture until evenly coated. Transfer to a greased white baking dish, smoothing the surface.
06 -
Evenly sprinkle shredded cheddar and mozzarella cheese over the assembled casserole.
07 -
Bake uncovered for 15 to 20 minutes, or until the cheese is melted, bubbly, and golden brown. Allow to cool slightly before serving.