This is a promo recipe card from Bisquick with the other side the recipe for Impossible Tuna Pie, date unknown. Recipe is typed below along with a scanned copy of the card which is clickable if you’d like to view a larger size.

Impossible Cheeseburger Pie

The pie that does the impossible by making its own crust.

1 pound ground beef
1 1/2 cups chopped onion
1/2 teaspoon salt
1/4 teaspoon pepper
1 1/2 cups milk
3/4 cup Bisquick baking mix
3 eggs
2 tomatoes, sliced
1 cup shredded Cheddar or process American cheese

Heat oven to 400°. Grease pie plate, 10 x 1 1/2 inches. Brown beef and onion; drain. Stir in salt and pepper. Spread in plate. Beat milk, baking mix and eggs until smooth, 15 seconds in blender on high or 1 minute with hand beater. Pour into plate. Bake 25 minutes. Top with tomatoes; sprinkle with cheese. Bake until knife inserted in center comes out clean, 5 to 8 minutes. Cool 5 minutes. 6 to 8 servings.

High Altitude: Increase first bake time to 30 minutes.