Preheat oven to 400°F. Combine bisquick & cold butter. Don't combine to thoroughly. There should be small chunks of butter about the size of peas. Add cheddar; milk & 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 tbsp butter in a bowl. Stir in 1/2 tsp garlic powder & parsley flakes. Use a pastry brush to spread garlic butter over tops of biscuits.