1 pkg. Duncan Hines lemon supreme cake mix
1/2 c. water
1/2 c. Key lime juice
1 (3 oz.) pkg. lime Jello
1/2 c. Crisco or Puritan oil
4 eggs

ICING:

2 c. sifted confectioners' sugar
1/4 c. Key lime juice

With electric mixer, blend all ingredients together on medium speed for about 2 minutes. Pour into greased tube pan or 9x13x2 inch baking pan and bake at 325 degrees for 45 minutes. After removing from oven, use an ice pick and stick through cake, top to bottom, many times. Drizzle with icing while still warm.