Source: The Girl Who Ate Everything
Combine Bisquick with cold butter in a medium bowl using a pastry cutter (I just used 2 forks). Don’t worry about mixing too thoroughly; there will be small chunks of butter in the mix about the size of peas. Add cheddar cheese, milk, and garlic powder. Mix by hand until combined, but don’t over mix.
Drop 1/4 cup portions of the dough onto the lightly greased or parchment lined cookie sheet. Bake for 11-13 minutes in preheated oven or until the tops of the biscuits begin to turn light brown.
While the biscuits are baking, melt butter is a small bowl in the microwave. Stir in garlic powder and dried parsley flakes. Use a brush to spread the garlic butter over the tops of all the biscuits. Sprinkle a little kosher salt on the freshly coated biscuits. Makes one dozen.