Fat Free Strawberry Cake
["1 angel food cake, prepared", "1 (3 oz.) box strawberry gelatin", "1 (10 oz.) pkg. frozen strawberries with juice", "red food coloring", "Seven Minute Frosting or 1 box Betty Crocker fluffy white icing mix"]
["Slice top 1/3 of angel food cake lengthwise and lay aside. Make tunnel inside remaining cake by cutting 1/2 inch from outer edge of cake and 1/2 inch from inner edge of cake down to but not through bottom of cake.", "Pull out in pieces with fingers to remove.", "Set aside."]
["cake", "strawberry gelatin", "frozen strawberries", "red food coloring", "Frosting"]