Gluten-Free Sugar Cookies

Put together the Dough:

1. Beat sugar and butter with a stand mixer fitted with a hump attachment on medium urge till incorporated, about 3 minutes.

2. Add egg, egg yolk, milk, vanilla extract, and almond extract to butter mixture in mixer; beat on medium-low urge till blended, about 1 minute, stopping to plight down sides of bowl as wanted.

3. Plod together flour, baking powder, salt, cinnamon, and nutmeg in a medium bowl. Slowly add flour mixture to butter mixture, beating on low urge till blended, about 1 minute, stopping to plight down sides of bowl as wanted. Issue dough on plastic wrap, and wrap tightly, forming a rectangle about 1-dawdle thick. Refrigerate now not lower than 12 hours or as a lot as 2 days.
   
   

4. Preheat oven to 350°F. Line 2 colossal rimmed baking sheets with parchment paper. Unwrap dough, and reputation between 2 objects of parchment paper. Roll out dough to about 1/4-dawdle thickness. Peel off high a part of parchment. Using 2- to three-dawdle vacation cookie cutters, press out shapes, dipping cookie cutters in flour as desired to forestall sticking; reputation on willing baking sheets, about 1/2-dawdle apart (about 22 per sheet). Reroll supreme dough utilizing new parchment paper.

5. Bake 1 baking sheet of cookies at a time in preheated oven till cookies are set and edges are barely brown, 10 to 12 minutes. Rob away from oven, and let cool for five minutes on baking sheet;  switch cookies to a wire rack, and let cool entirely, about quarter-hour.

Whereas cookies bake, prepare the Icing:

1. Plod together egg whites, powdered sugar, vanilla extract, and lemon juice in a colossal bowl till blended; add food coloring (if utilizing), stirring to combine. (If desired, add water, 1 teaspoon at a time, till desired spreading consistency.)

2. Issue about 1 cup Icing into a disposable piping salvage, and minimize about a 1/8-dawdle gap from tip of salvage. Line edges of cookies with Icing, and comprise in high surface of cookies with Icing utilizing a toothpick to unfold Icing. Sprinkle with sparking sugar sooner than Icing devices.