Barbecue Beef Bake
["1 lb. ground beef", "3/4 c. chopped onion", "18 oz. barbecue sauce", "2 c. shredded Cheddar cheese", "2 c. Bisquick", "1 c. milk", "2 eggs"]
["Heat oven to 400\u00b0.", "Cook ground beef and 1/2 cup of the onion in 10-inch skillet until beef is brown; drain.", "Stir in barbecue sauce.", "Spoon into ungreased 13 x 9 x 2-inch baking dish; sprinkle with cheese."]
["ground beef", "onion", "barbecue sauce", "Cheddar cheese", "Bisquick", "milk", "eggs"]