Grease a 2-quart au gratin baking dish. Prepare as directed above except cut all of the ingredient amounts in half, using 2/3 cup milk and 2/3 cup shredded cheese. Bake, covered, in a 375°F oven for 30 minutes. Reduce oven temperature to 325°F. Bake, uncovered, for 20 minutes more or until the eggs are almost set. Let stand on wire rack 5 to 10 minutes.