01 - Preheat oven to 350°F (175°C).
02 - On an ungreased 13x9 inch baking sheet or rectangular pizza pan, press the sugar cookie dough evenly to cover the entire surface.
03 - Bake in the preheated oven for 15 to 18 minutes or until crust is lightly golden. Remove and allow to cool completely.
04 - In a medium mixing bowl, beat cream cheese, unsalted butter, powdered sugar, and vanilla extract together until smooth and creamy.
05 - Spread the frosting evenly over the cooled cookie crust using a spatula.
06 - Place blueberries in the top left corner to create the star field of the flag. Create alternating rows of sliced strawberries and bananas to form the red and white stripes.
07 - Refrigerate for at least 30 minutes before slicing and serving for best results.