01 -
Heat a large skillet over medium-high heat. Cook ground beef, Italian sausage, and diced yellow onion until meat is browned and cooked through. Drain excess grease.
02 -
Add Italian seasoning, garlic powder, and onion powder to the cooked meat. Stir to combine evenly.
03 -
Stir in marinara sauce, bacon bits, pepperoni slices, and cooked rotini pasta. Mix thoroughly until all ingredients are evenly incorporated.
04 -
Top the mixture with shredded mozzarella cheese, additional bacon bits, and pepperoni slices. Optionally, add any reserved meat mixture for enhanced flavor.
05 -
Preheat oven to 350°F. Bake assembled dish for 10 to 15 minutes until cheese is melted and golden brown. For a crisp finish, broil on high for 2 to 3 minutes. Serve warm.