1 1/2 lbs. ground beef
6 oz. can tomato paste
2 tbsp. grated Parmesan cheese
1 1/4 tsp. salt
1 can (10) Pillsbury buttermilk or country style biscuits
1 c. (4 oz.) shredded Mozzarella cheese
1/2 c. chopped onion or 2 tbsp. instant minced onion
1 to 1 1/2 tsp. oregano
1/2 tsp. pepper
2 oz. can (1/4 c.) mushroom stems and pieces, drained
1 tomato, sliced

Heat oven to 350 degrees. Grease 9-inch pie pan. Brown ground beef and onion; drain. Stir in tomato paste, 1 tablespoon Parmesan cheese, oregano, salt and pepper. Simmer while preparing crust. Separate dough into 10 biscuits. Arrange biscuits in prepared pan; press over bottom and up sides to form crust. Spoon hot mixture into crust. Place mushrooms over meat mixture. Arrange tomato slices over pie; sprinkle with Mozzarella cheese and remaining Parmesan cheese. Bake at 350 degrees for 20 to 25 minutes. Cool 5 minutes before serving. Makes 5 to 6 servings.