Mix 1 package yellow or white cake mix according to directions on package in 17 1/4 x 1/2 x 11 inch pan. Bake in 350 degrees oven exactly 15 minutes.

Beat 2 (8 oz.) package cream cheese, at room temperature, 3 tablespoons sugar, 1 cup milk; beat until no lumps; set aside.

In another bowl, beat 2 packages vanilla instant pudding and 3 cups milk until thick. Add cream cheese mixture to pudding mixture; mix well. Spread on cooled cake.

Spread 1 large can well-drained crushed pineapple. Spread over cheese and pudding mix. Spread Cool Whip over pineapple. Top with 1 cup nuts. Refrigerate cake.