Step 1

Heat oven to 350°F.

Step 2

Combine flour and baking powder. Beat butter and sugar in large bowl with mixer until light and fluffy. Add eggs, 1 at a time, beating well after each addition. Blend in vanilla. Gradually add flour mixture, beating until well blended after each addition. Pour into 13x9-inch pan sprayed with cooking spray.

Step 3

Bake 30 min. or until toothpick inserted in center comes out clean. Pierce warm cake with large fork at 1/2-inch intervals. Combine 2% milk, condensed milk and evaporated milk; pour slowly over top of cake. (Milk mixture will slowly be absorbed by the cake.) Cool completely.

Step 4

Refrigerate 1 hour or until ready to serve. Frost cake with COOL WHIP just before serving.