1. Cook the sausage in a skillet over medium heat until fully browned, then drain any excess fat.

2. In a large bowl, combine the cooked sausage, thawed hashbrowns, onion, cheese, flour, eggs, garlic powder, salt, and pepper. Mix everything together until well incorporated.

3. Heat 2-3 cup of vegetable oil in a large pot or deep skillet to 350°F.

4. Scoop the sausage hashbrown mixture into small balls or patties and carefully place them in the hot oil. Fry until golden brown, about 3-5 minutes per side.

5. Drain the fried sausage hashbrown appetizers on paper towels and serve them warm.