Step 1

Make cake per package directions. Drain pineapple well and reserve juice.

Step 2

When you take cake out of oven, mix milk and reserved juice. Poke holes all over top of cake with a wooden spoon handle. Pour milk mixture over cake. Spread evenly with drained pineapple. Cool.

Step 3

When completely cool, add Cool Whip on top.Refrigerate at least 4 hours.