Making American Flag Fruit Pizza is a straightforward process. Follow these steps to create this delightful dessert:

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Prepare the Cookie Base: Spread the sugar cookie dough evenly in a greased 12-inch pizza pan or a large baking sheet to form a crust.
3. Bake: Place the cookie crust in the preheated oven and bake for 15-20 minutes or until golden brown. Check regularly to avoid overbaking.
4. Cool the Crust: Once baked, remove the crust from the oven and allow it to cool completely in the pan.
5. Make the Frosting: In a mixing bowl, beat together the softened cream cheese, powdered sugar, and vanilla extract until smooth and creamy. Fold in the whipped topping gently.
6. Spread the Frosting: Once the cookie crust is completely cooled, spread the cream cheese frosting evenly over the top.
7. Arrange the Fruit: Begin decorating by placing the sliced strawberries in a rectangle at the top left corner to represent the stars. Arrange the blueberries in the same area for the star field.
8. Create the Stripes: For the red stripes, line the remaining area with sliced strawberries, and fill in the rest with banana slices for the white stripes.
9. Chill (Optional): For best results, refrigerate the fruit pizza for about 30 minutes before serving to set the frosting slightly.