1 lb. ground beef
1 1/2 c. chopped onion
1/2 tsp. salt
1/4 tsp. pepper
1 1/2 c. milk
3/4 c. Bisquick baking mix
3 eggs
2 tomatoes, sliced
1 c. shredded cheddar or process American cheese

Heat oven to 400 degrees. 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 or high for 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.