Heat oven to 375 degrees F. Lightly spray 14" pizza pan or 15"x10" baking pan with cooking spray.
In medium bowl, stir cookie mix, melted butter, and egg until soft dough forms. Press dough in the bottom of the pan. Bake 10-15 minutes or until light golden brown. Cool completely, about 45 minutes.
In chilled medium bowl, beat whipping cream with electric mixer on high shpeed until soft peaks form. Gently stir frosting into whipped cream. Spread over cookie pizza. Arrange fruit on top and ENJOY!!