Preheat oven to 350 degrees. Line a 10x15x1 baking pan with foil.
Combine butter and sugar until light and fluffy. Add egg and extracts until thoroughly combined.
In separate bowl, mix flour, baking powder, and salt. Gradually add flour mixture, 1 cup at a time to wet ingredients.
Press dough mixture into pan. Bake for 15-20 minutes or until golden brown. Cool completely.
Once cookie mixture is cooled, mix together softened cream cheese, powdered sugar, & lemon zest with electric mixer until smooth. Spread evenly over cooled cookie.
Arrange berries on cream cheese mixture to resemble the flag. (*If you use raspberries instead of strawberries, youâ??ll be more likely to be able to fit all 13 â??stripesâ? on the flag â?? the strawberries were too big to fit the proper number)