1. Preheat your oven to 350F. Line a 9×9 baking dish with parchment paper and set aside.
2. Using a stand mixer, whip on medium speed together the butter and sugar until fully incorporated and smooth.
3. Add in the eggs, vanilla extract and almond extract – mix on low until just combine.
4. Mix the baking powder and gluten free flour blend on low until just combine. Scrap down the sides of the bowl if needed and mix to combine.
5. Add the sugar cookie batter to your prepared baking pan. Use a wooden spoon, spatula or your hands to press the batter into a even layer throughout the pan.
6. Bake for 18 minutes or until the sides are ever so slighly beginning to brown. Remove from the oven and let cool completely on a wire rack.
7. Once cooled, remove the cookie bars from the pan. Frost the top with the vanilla frosting and sprinkle your festive sprinkles on top.

To make the frosting

1. Whip together all the ingredients – butter, vanilla extract, whipping cream or milk and confectioners sugar until smooth and fluffy.