Deep-Dish Salmon-Cheese Pie

1 tbsp. chopped onion 2 tbsp. butter or other fat ¼ cup Bisquick 1½ cups milk 1 cup grated sharp Cheddar cheese 1 lb. can salmon, drained and broken into large pieces 1 tsp. salt few grains pepper

Heat oven to 450° (hot). Sauté onion in butter. Remove from heat. Blend in Bisquick. Slowly stir in milk. Bring to boil over low heat, stirring constantly. Boil 1 min. Stir in rest of ingredients. Turn hot mixture into greased 1½-qt. baking dish and heat in oven until mixture bubbles. Make ½ Biscuit dough (recipe [page 3]). Pat or roll out to fit top of baking dish. Place on hot mixture. Cut 2 or 3 slits in center. Bake about 15 min. or until topping is brown. 4 to 6 servings.