Cook pasta according to package directions, drain and rinse with cold water to stop cooking. Set oven to a low broil with the rack in the middle. Sauté onion and garlic in a large oven safe skillet over medium heat until softened and fragrant. Add the bison, salt, smoked paprika and pepper. Stir and break up the meat until it is browned, 5 to 7 minutes. Drain fat from pan if necessary. Add the tomatoes, Parmesan cheese, 1/4 cup of the mozzarella and the pasta, stir to combine until well combined and cheese is melted.

Top skillet pasta with 1 cup shredded mozzarella. Put skillet under the broiler for about 5 minutes until the cheese is melted and browned.