Dip chops into combined egg and milk, then into cracker meal.
Brown on both sides in 3 tablespoons oil in skillet.
Remove chops to shallow casserole and sprinkle with salt and pepper.
Put 1 tablespoon oil in skillet.
Add onion and mushrooms; brown lightly and place on chops.
Mix remaining ingredients and pour over top.
Bake in preheated moderate oven (350°F.) for about 45 minutes.
Makes 6 servings.