Beat butter or margarine in a large mixing bowl with an electric mixer on medium to high speed for 30 seconds. Add sugar and beat till combined. Beat in egg yolk and vanilla till combined. Beat in as much of the flour as you can with the mixer. Stir in any remaining flour with a wooden spoon.

Spread dough in a lightly greased 12-inch pizza pan. Bake in 350* oven about 20 minutes or till golden. Cool in pan on a wire rack. Just before serving, spread with cream cheese. Arrange banana slices over cream cheese. Spoon ice cream topping over bananas. Sprinkle with cherry halves and nut topping. Cut into wedges. Refrigerate leftovers. 255 cal., 15 g total fat (6 g sat. Fat), 35 mg cholesterol, 132 mg sodium, 28 g carb., 1g dietary fiber, 3 g pro.