My Favorite Sugar Cookie Recipe:
 Ingredients:
     1 cup unsalted butter, at room temperature
     1 cup powdered sugar
     1 large egg
     2 1/2 tsp. vanilla extract
     1 vanilla bean, split lengthwise
     the zest of half of a lemon
     2 1/2 cups all purpose flour
     1 tsp salt

Instructions:
     In a large mixing bowl, cream butter an sugar until smooth (1-2 minutes)
     Beat in egg, vanilla, seeds of vanilla bean, and zest until bleded
     Mix in flour and salt on low just until combined
     Form dough into a disc and wrap with plastic wrap to chill for 2 hours
     Pre-heat oven to 375
     Link baking sheets with parchment
     Roll out dough on a well floured surface to about 1/4 inch thickness
     Cut with desired cookie cutters
     Bake 8-10 minutes, rotating sheets halfway through for even baking
     Cool 5 minutes before transfering to a wire rack to finish cooling
     Ice with Wilton recipe once completely cool.

(recipe adapted from annies eats)

My Favorite Royal Icing Recipe:
Ingredients:
     3 Tbsp meringue powder
     4 cups powdered sugar
     5 Tbsp warm water

Instructions:
     Combine meringue powder and powdered sugar
     Add in water and stir
     (you can add a little more or a little less water for desired consistency)

(recipe adapted from wilton)