Rainbow Sugar Cookies – Baked by Melissa

Ingredients

• 2 ¼ cups all-purpose flour
• ½ teaspoon baking powder
• ¼ teaspoon fine sea salt
• ¾ cup unsalted butter, softened
• 1 egg
• ¾ cup granulated sugar
• 2 teaspoon vanilla extract (if you love almond extract like I do, add that into the mix too!)
• 3 ¾ cups confectioner’s sugar
• 3 large egg whites
• ½ teaspoon cream of tartar
• Pinch of salt
• Optional: fun food coloring