1 lb. all beef frankfurters
1 (8 oz.) can tomato sauce
2 tbsp. vinegar
1 tbsp. brown sugar, packed
1 tbsp. prepared mustard
2 tsp. instant minced onion
3/4 tsp. salt
1/2 tsp. prepared horseradish

Score franks diagonally. Place in an ungreased 6 x 10 x 7 1/2 inch baking dish. In small mixing bowl combine remaining ingredients. Mix well, pour over franks. Bake at 400 degrees for 20 minutes; baste occasionally. Makes 10 zesty franks.