Rainbow Jello
["5 (3 oz.) pkg. jello (assorted flavors)", "6 1/4 c. boiling water", "5 tsp. vinegar", "1 c. mayonnaise"]
["Dissolve each jello package in 1 1/4 cups boiling water.", "Add teaspoon vinegar to each.", "Pour 1/2 of first package into bowl; let set.", "Add 3 tablespoons of mayonnaise to second half.", "When jello in bowl has set, add 1/2 with mayonnaise.", "Continue on, adding 1/2 after each portion sets.", "A pretty jello mold for showers and parties."]
["jello", "boiling water", "vinegar", "mayonnaise"]