In a medium saucepan over high heat bring champagne to a boil 15 minutes or until reduced to about a ½ cup. Chill until cold to the touch. Transfer to a measuring up.
Preheat oven to 375° F. Line baking sheets with parchment paper.
In a large mixing bowl, whisk flour and baking powder together. Set aside.
In a large mixing bowl or stand mixer, cream butter and sugar until light and fluffy, about 3 minutes. Add ½ cup of champagne reduction. Stir until just combined.
Gradually add flour mixture and stir until a very soft dough forms.
Using a cookie dough scoop or a teaspoon and the palm of your hands, make 1" dough balls. Drop onto cookie sheets.
Bake 12 minutes or until just set. Allow to cool 1 minute. Transfer to a cooling rack and cool completely before icing.
Champagne Icing
Mix icing ingredients until smooth. Add optional food coloring.
Notes
Tips
Allow champagne reduction needs to cool completely before adding it to the dough.
To Ice
Dip cooled cookies into icing, then hold at a slight angle to allow excess icing to run off. Let icing set up for a couple of minutes before decorating with edible pearls, glitter, or sprinkles. Let set up completely before serving.Pipe on using a piping bag and tip.Spread on using a spreader.
How To Store
Room Temperature - Store in an airtight container at room temperature for up to 5 days.Freeze Cookies - Allow baked cookies to cool completely before freezing. Freeze in an airtight container or freezer bag for up to 3 months. Let thaw in fridge or on counter before eating.