1/2 lb. ground beef
1/2 c. sour cream
1/3 c. mayonnaise or salad dressing
1/2 c. sharp cheddar cheese, shredded
1 tbsp. onion, chopped
1 c. Bisquick baking mix
1/4 c. cold water
1 to 2 med. tomatoes, thinly sliced
1/2 c. green pepper, chopped

Heat oven to 375 degrees. Grease an 8 x 8 x 2 inch baking dish. Cook and stir ground beef until brown; drain. Mix sour cream, mayonnaise, cheese and onion; reserve. Mix baking mix and water until soft dough forms. Pat into pan, pressing dough 1/2 inch up sides. Layer beef, tomatoes and green pepper in pan. Spoon sour cream mixture over top. Sprinkle with paprika if desired. Bake until edges of dough are brown, 25 to 30 minutes.