INGREDIENTS
•
6 tablespoons soft unsalted butter
•
1/2 cup sugar
•
1 large egg
•
1/2 teaspoon pure vanilla extract
•
1 1/2 cups all-purpose flour
•
1/2 teaspoon baking powder
•
1/2 teaspoon salt
•
2 to 3 tablespoons just-boiled water
•
1 cup confectioners' sugar, sifted
•
Food coloring, preferably pastes
•
Special equipment: cookie cutters