01 - Preheat oven to 400°F. Generously grease a 24-cup mini muffin tin to prevent sticking.
02 - In a large mixing bowl, combine the thawed hashbrowns, shredded cheddar cheese, crumbled bacon (if using), green onions, chives, eggs, sour cream, garlic powder, onion powder, salt, and pepper. Stir until all ingredients are evenly distributed.
03 - Spoon the mixture evenly into each cup of the prepared mini muffin tin, pressing down gently to compact and shape each portion.
04 - Bake for 20 to 25 minutes, or until the tops are golden brown and crispy.
05 - Let cool in the pan for 5 minutes, then carefully remove each bite using a spoon or small spatula.
06 - Serve warm, garnished with extra chives or alongside sour cream for dipping.