4 oz butter
1 c milk
4.5 oz flour
1.25 c parmesan (or half parmesan and half gruyere) - grated
0.25 c parmesan - grated
=Make like pate a choux, stir in 1.25 cups cheese. Egg was and top with other 0.25 cup cheese, bake 350F ~15-20 minutes.