1 Lb. ground beef....1/2 c. chopped celery
1/2 c. onion....1/4 c. chopped green pepper
1 can condensed tomatoe soup....1 tsp. prepared mustard
1 1/2 c. biscuit mix....1/3 c. cold water
3 slices (about 3 ounces) process cheese, cut in half diagonally

In 10" oven-proof skillet, brown beef and cook celery, onion, and green pepper until tender (use shortening if necessary). Stir to seperate meat; drain well. Stir in soup and mustard. Combine biscuit mix and water; roll or pat dough into a circle slightly smaller than skillet. Spread meat mixture evenly in skillet; top with biscuit dough. Bake at 450 degrees for 15 minutes or until browned. Turn upside down on plater. Top with cheese. Cut in wedges and serve. Makes 6 servings.