In the mixer beat butter and sugar until light and fluffy. (This will take a few minutes on high)
Beat in egg and vanilla until blended.
Reduce speed to low and beat in flour mixture just until combined, scraping the bowl with a spatula.;
Stir in the lemon zest
Drop dough by heaping teaspoons, 2 inches apart on a parchment-lined cookie sheet.
Bake for 10 minutes or until just brown around the edges.Icing
Mix all of the above together to form icing.
Put ½ in one bowl with 2-3 drops of red food coloring to make pink icing. The other half of the icing goes in another bowl with 2-3 drops of yellow food coloring.
Spoon icing onto cookies as desired and allow to cool!Gluten Free
**If you would like to make these cookies gluten-free dairy free I recommend using butter flavored Crisco, and an All purpose GF baking mix instead of the flour. Don’t forget 1 tsp xanthan gum!