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 cheese

Heat oven to 400 degrees. Grease 10 inch pie plate. Brown beef and onion; drain. Stir in salt and pepper. Spread meat mixture in plate. Beat milk, baking mix and eggs until smooth, 15 seconds in blender on high or 1 minute with hand beater. Pour over meat, bake 25 minutes. Top with tomatoes and sprinkle with cheese. Bake until knife inserted in center comes out clean, 5-8 minutes. Cool 5 minutes.