Browned Butter Cookies with Lemon / Lime Buttercream

Preheat oven to 350 F and prepare the baking sheet.

Cookies - In a small saucepan over medium low heat brown ½ cup of Unsalted Butter by adding it to the pan and let it bubble; stirring constantly. When there is butter starts to turn brown, remove from heat and pour immediately into a bowl. Add 2/3 cup of Brown Sugar. an Egg, a tsp of Vanilla Extract and cream them together. Add 1½ cups of All Purpose Flour, ¼ tsp of Baking Powder, ¼ tsp of Baking Soda and ¼ tsp of Salt. Refrigerate the dough for about 30 minutes and then roll into 1 tsp balls and bake on the baking sheet at 350 for10 minutes until the edges are just slightly brown. Flatter them a little in between. Let cool completely before adding the frosting.

Frosting - Beat together 4 Tbsp of softened Unsalted Butter with the 1 cup of powdered Sugar. Add Zest and Juice of a Lemon / Lime as needed. Stop adding juice if the icing is spreadable.Spread on the cooled cookie and top it with another.