Ingredients:
- 1/2 cup unsalted butter, chilled and cubed
- 3/4 cup granulated sugar
- 1 large egg, room temperature
- 1 tsp vanilla extract
- 2 cups all-purpose flour
- 2 tbsp cornstarch
- 1/2 tsp baking powder
- 1/4 tsp salt
- 2 cups powdered sugar, sifted
- 2 tbsp heavy cream or milk
- 1 tsp vanilla extract
- Gel food coloring
Instructions:
- Cream butter and sugar. Using your mixer on high, beat the chilled butter and granulated sugar for 2 minutes until the mixture is pale and fluffy. Note: Don't over beat or you'll incorporate too much air.
- Mix in wet ingredients. Beat in the egg and vanilla extract until fully incorporated.
- Whisk dry ingredients. In a separate bowl, whisk together the flour, cornstarch, baking powder, and salt.
- Combine dough. Slowly add the dry ingredients to the wet. Mix just until a soft dough forms. Note: Over mixing here makes the cookies tough.
- Roll the dough. Place the dough directly on parchment paper. Roll to 1/4 inch thickness.
- Cut shapes. Use your cutters to press out shapes. Do this quickly while the dough is cool.
- Bake cookies. Bake at 350°F (175°C) for 8–10 minutes until the edges are barely golden.
- Cool. Move the cookies to a wire rack immediately.
- Make the icing. Whisk powdered sugar, heavy cream, and vanilla until the glaze is glossy and thick.
- Decorate. Divide icing into bowls, add gel colors, and pipe onto cooled cookies. Let set for 15 minutes.