01 - Preheat oven to 350°F.
02 - Press the sugar cookie dough evenly onto an ungreased 13 x 9 inch baking sheet, covering the entire base. Bake for 15 to 18 minutes until lightly golden. Remove from the oven and allow to cool completely.
03 - In a mixing bowl, beat cream cheese, unsalted butter, powdered sugar, and vanilla extract until smooth and creamy using an electric mixer or whisk.
04 - Spread the prepared cream cheese frosting evenly over the cooled cookie crust using a spatula.
05 - Arrange blueberries in the top left corner to represent the flag's stars. Alternate rows of sliced strawberries and banana slices across the pizza to create the red and white stripes.
06 - Refrigerate for at least 30 minutes, then slice and serve cold.