In a medium mixing bowl, whisk together flour, baking powder, and salt. Set aside.
In a large mixing bowl, cream together butter and sugar.
Mix eggs, zest, and lemon juice into butter and sugar.
Gradually stir dry ingredients in.
Stir food coloring in a drop or two at a time, until you reach the desired brightness of yellow.
Chill dough for a minimum of 1 hour. Can be chilled overnight.
When ready to bake cookies, preheat oven to 350℉ and line baking sheet with parchment paper.
Roll dough into tablespoon sized balls then roll in powdered sugar until fully covered. Place on prepared baking sheet, 3 inches apart. Bake 10 minutes.
Cool cookies on baking sheet for 5 minutes before transferring to a cooling rack to cool completely.