1 ½ cups buttermilk baking mix
2 egg whites
½ cup milk
1 tbsp minced onions
1 tbsp sugar
1 ½ tsp garlic powder
¼ cup Parmesan cheese

Combine baking mix, egg whites, milk, onions, sugar, and garlic powder in a mixing bowl. Spray slow cooker with cooking spray. Spoon dough mixture into cooker. Sprinkle dough with Parmesan cheese. Cook on high for 1 hour.