Categories: Fish/sea, Pies, Cheese/eggs 
      Yield: 6 servings 
  
      2 c  Onions; chopped                 1 1/4 c  Milk 
    1/4 c  Butter                              1 c  Bisquick 
      2 cn Tuna; 6/2 oz -drained             1/4 ts -Salt 
      2 c  Cheddar; shredded                 1/8 ts -Pepper 
      3    Eggs                                2    Tomatoes; thinly sliced 
  
  Preheat oven to 400F. Grease pie plate 10x1 1/2". Cook onions and butter in 
  10" skillet over low heat, stirring occaisionally, until onions are a light 
  brown. Sprinkle tuna, 1 cup of cheese and onions in plate. Beat eggs, milk, 
  Bisquick, salt and pepper till smooth 15 seconds in blender on High or 1 
  minute with hand beater. Pour into plate. Bake till knife inserted in 
  centre comes out clean, 25 to 30 minutes. top with tomato slices and 
  remaining cheese is melted 3 to 5 minutes. Cool 5 minutes. 
   
  Source: _The Best of Bisquick_