Easy Deep Dish Taco Squares Casserole

Easy Deep Dish Taco Squares Casserole 1 lb Ground beef 1 c Sour cream 2/3 c Mayonnaise 2 tb Onion; minced Paprika 2 c Bisquick 1/2 c Cold water 1 Tomatoes; sliced, up to 2 1 c Green pepper; diced 1 c Grated Cheddar cheese; may use more Mix Bisquick and water into a soft dough. Spread into greased 8 x 8 inch baking dish. Grease 1/2 inch up on the sides. Brown beef and drain. Mix sour cream, mayonnaise, cheese and onion. Set aside. Layer beef, tomatoes and green pepper. Spoon cream mixture on top. Sprinkle with paprika. Bake at 375 degrees for 25-30 minutes.