This is called Impossible Cheeseburger Pie because the pie does the impossible by making its own crust.
Nice alternative for folks who don't own a grill.
Impossible Cheeseburger Pie
Vintage recipe from 1981 Bisquick advertising
1 lb. ground beef
1 1/2 cups chopped onion
1/2 tsp. salt
1/4 tsp. pepper
1 1/2 cups of milk
3/4 cup Bisquick baking mix
2 tomatoes, sliced
1 cup shredded Cheddar or process American cheese
Heat oven to 400K. 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. Makes 6 to 8 servings.
High Altitude: Increase first bake time to 30 minutes.
This is my dad, my brothers and me in our backyard pool in 1968.
(If you're doing math, trying to figure out how old I am, we can no longer be friends.)
Recipe via livejournal