Seven Layer Rainbow Salad - cooking recipe

Ingredients

4 small pkg. Jell-O (green, orange, yellow, red; may use any 4 Jell-O colors/flavors)
2 envelopes Knox unflavored gelatine
1 pt. sour cream (16 oz.)
1 3/4 c. milk
1 c. sugar
2 tsp. vanilla

Preparation

You will need a 9 x 13-inch glass baking dish (slightly oiled).