Preheat oven to 400 degrees. Combine Bisquick and cold butter. Don't combine too thoroughly. There should be small chunks of butter about the size of peas. Add cheddar, milk and 1/4 tsp garlic. Mix by hand until combined, but don't over mix.
Drop 9 equal portions onto greased cookie sheet. Bake for 15-17 minutes or until tops are light brown. Melt 2 tablespoons of butter in a bowl. Stir in 1/2 teaspoon of garlic powder and parsley flakes. Use a pastry brush to spread garlic butter over tops of biscuits.