1 pkg. Betty Crocker scalloped potatoes
1 1/2 c. water
1/4 tsp. oregano leaves
1 (4 oz.) pkg. shredded mozzarella cheese
1 (16 oz.) can tomatoes
1 (4 oz.) pkg. sliced pepperoni

Heat oven to 400 degrees. Empty potato slices and packet of seasoned sauce mix into ungreased 2 quart casserole. Heat potatoes, water and oregano to boiling. Stir into potatoes. Arrange pepperoni on top and sprinkle with cheese. Bake uncovered 30-35 minutes.