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Glazed Christmas sugar cookies with sprinkles and royal icing
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5 from 2 votes

How to Decorate Christmas Cookies

Decorate these delicious sugar cookies with royal icing this Holiday season!
Prep Time30 minutes
Cook Time10 minutes
Resting Time2 hours
Total Time2 hours 40 minutes
Course: Dessert
Cuisine: American
Keyword: royal icing, sugar cookies
Servings: 36

Ingredients

Sugar Cookies

  • 3 cups all-purpose flour
  • ¾ teaspoon baking powder
  • ½ teaspoon salt
  • 1 cup unsalted butter
  • 1 cup granulated sugar
  • 1 large egg
  • ½ teaspoon vanilla bean paste
  • 1 splash milk or cream as needed

Royal Icing

  • 4 cups confectioners' sugar
  • 3 tablespoon meringue powder
  • 6 tablespoon water plus more to thin
  • 1 tablespoon light corn syrup
  • ½ teaspoon vanilla extract or lemon juice optional

Instructions

Sugar Cookies

  • Sift together the flour, baking powder, and salt. Set aside.
  • Using a stand or hand mixer, beat together the softened butter and sugar until light and fluffy, 2 to 3 minutes. With the mixer on low, add in the egg and vanilla bean paste. Mix until combined. Stop the mixer and scrape down the sides and bottom of the bowl.
  • With the mixer on low, slowly add the flour mixture in two additions. Mix the dough until combined. If the dough appears dry, add a splash of milk or cream (no more than a tablespoon) and mix until the dough begins to ball together.
  • Stop the mix and divide the dough in half. Form the dough into disks and wrap well is plastic. Refrigerate the dough for at least 2 hours or overnight.
  • When ready to bake, preheat the oven to 375°F and remove one disk of dough from the refrigerator. Allow the dough to come to room temperature (about 10 minutes) before rolling. Line two baking sheets with parchment and set aside.
  • Loosen the plastic around the dough and begin to roll it out (within the plastic) to get things started. Lightly dust your work surface with flour, unwrap the dough completely, and roll out until ¼-inch thick. Cut out cookies and move them to the lined baking sheets.
  • Bake for 8 to 10 minutes, or just until the cookies start to brown around the edges. Place the baking sheet on a wire rack to cool for 10 minutes, then remove the cookies. Repeat with the remaining dough.

Royal Icing

  • Place the confectioners’ sugar and meringue powder in the bowl of an electric mixer fitted with a whisk attachment.  Gently stir to combine.  Add the water and mix on medium-low until combined.  Turn the mixer up to medium-high and continue to mix until stiff peaks form, 7 to 10 minutes.
  • Add the corn syrup and vanilla or lemon (if using) and mix to combine.  If the icing is still rather thick and clumps together, add more water (a teaspoon or two at a time), until the icing holds stiff peaks.  Use immediately or cover by pressing a piece of plastic wrap directly to the surface of the icing.