Pizza Sandwich
["1 lb. ground beef", "2 cans (8 oz.) tomato sauce", "1 tsp. oregano", "2 c. Bisquick", "1 egg", "2/3 c. milk", "12 slices American cheese", "1 can mushrooms (optional)", "1/4 c. Parmesan cheese"]
["Cook ground beef until brown; drain.", "Mix in 1 can tomato sauce and oregano.", "Simmer, uncovered, for 10 minutes.", "Stir baking mix, egg and milk to make a soft dough.", "Spread half of the dough into greased oblong pan.", "Pour remaining can of tomato sauce over dough.", "Layer 6 slices cheese, meat, mushrooms and remaining cheese.", "Cover with remaining dough.", "Bake 20 to 25 minutes at 400\u00b0 or until brown."]
["ground beef", "tomato sauce", "oregano", "Bisquick", "egg", "milk", "American cheese", "mushrooms", "Parmesan cheese"]