2 md Onions, chopped
     1 c  Bisquick baking mix
 1 1/4 c  Milk
   1/4 c  Butter
   1/8 ts Pepper
     2 cn (6 1/2 oz) tuna, drained
     3    Eggs
     2    Tomatoes, thinly sliced
     2 c  Shredded Cheddar cheese
 Heat oven to 400 degrees.Grease square baking dish,8 x 8 x 2″. Cook onions
 and margarine in 10″ skillet over low heat,stirring occasionally,until
 onions are light brown.Sprinkle tuna,1 cup of the cheese and the onions in
 dish. Beat baking mix,milk,pepper and eggs with wire whisk or hand beater
 until almost smooth,about 1 minute.Pour into dish. Bake until knife
 inserted in center comes out clean,25 to 30 minutes.Top with tomato slices
 and remaining cheese.Bake until cheese is melted,3 to 5 minutes.Cool 5
 minutes.Serves 6 to 8.
 From 
                
                 Yields       
                8 Servings                
