Preheat your oven to 375°F (190°C).
Cook the ground beef in a skillet until browned.
Drain excess fat and add the pizza sauce to the beef.
In a separate bowl, mix the cooked pasta.
Layer half of the pasta in a greased baking dish.
Spread half of the beef mixture over the pasta.
Add half of the mozzarella cheese on top.
Repeat with the remaining pasta, beef, and cheese.
Top with pepperoni, olives, and bell peppers.
Bake for 30 minutes until bubbly and golden.