Impossible Tuna Melt Pie

2 cups Onions -- chopped

1/4 cup Margarine or butter

2 cans Tuna; drain, flake

1 3/4 cups Process cheese spread cubed

3 Eggs

1 1/4 cups Milk

1 cup Bisquick

1/4 teaspoon Salt -- Pepper

Grease pie plate, 10x1-1/2". Heat oven to 400~. Cook and stir onions and margarine in 10" skillet over low heat until onions are light brown. Sprinkle tuna, 1 c of the cheese and the onions in plate. Beat eggs, milk, baking mix, salt and peppeer 15 in blender on high or 1 minute with hand blender. Pour into plate. Bake 25 minutes. Top with remaining cheese to within 1" from edge. Bake 5 to 8 minutes longer or until knife inserted in center comes out clean (pie can be done even though some melted cheese adheres to knife). (wrv)