Dissolve one package of gelatin of 3/4 cup boiling water

Add 3/4 cup cold water, stir

Spoon into a 13-in. x 9-in. x 2-in. dish coated with nonstick cooking spray

Refrigerate until almost set, about 40 minutes

Dissolve another package of gelatin in 1/2 cup boiling water

Add 1/2 cup cold water and 1/2 cup milk, stir

Repeat 5 times, alternating plain gelatin with creamy gelatin, refrigerating between layers