Ingredients:
2 cups mashed potatoes (prepared)
1 cup shredded cheddar cheese
1/2 cup grated Parmesan cheese
1/4 cup all-purpose flour
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/4 teaspoon salt
1/4 teaspoon black pepper
1 egg, beaten
Oil for frying
To the instructions