1 pkg. scalloped potatoes
1 (16 oz.) can tomatoes
1-1/2 c. water
1 lb. ground beef, browned & drained
1/4 tsp. oregano
1 pkg. sliced pepperoni
1 (4 oz.) pkg. shredded mozzarella cheese

Empty potato slices and packet of mix into a 2 or 3-quart casserole dish. Heat tomatoes, water and oregano to boiling, then stir in ground beef. Then stir mixture into the potatoes. Arrange pepperoni on top and sprinkle on the cheese. Bake uncovered 20 to 25 minutes.