Heat oven to 450°F.
In medium bowl, stir baking mix, milk and cheese with wire whisk or fork until soft dough forms; beat vigorously 30 seconds. On ungreased cookie sheet, drop dough by 10 to 12 spoonfuls about 2 inches apart.
Bake 8 to 10 minutes or until golden brown. In small bowl, stir butter and garlic powder until well mixed; brush on warm biscuits before removing from cookie sheet. Serve warm.