Ingredients for - Mom's Christmas Cookies

1. Unsalted butter, softened ¾ cup
2. Tightly packed brown sugar ½ cup
3. White sugar, divided, or as needed 3 tablespoons
4. Egg yolk 1 large
5. Vanilla extract 1 teaspoon
6. All-purpose flour 2 cups
7. Unsalted butter, melted ½ cup
8. Powdered sugar 2 ½ cups
9. Milk, or more as needed 3 tablespoons
10. Vanilla extract 1 teaspoon
11. Chocolate sprinkles, or as needed 2 tablespoons

How to cook deliciously - Mom's Christmas Cookies

1 . Stage

Mix butter, brown sugar, and 1 tablespoon white sugar with an electric mixer until creamy. Add egg yolk and vanilla and mix until well combined. Blend in flour gradually. Cover and chill in the refrigerator, 8 hours to overnight.

2 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Place remaining 2 tablespoon white sugar on a plate.

3 . Stage

Remove dough from the refrigerator. Shape into small balls and place on ungreased cookie sheets. Dip a glass into the sugar and press on each ball to flatten.

4 . Stage

Bake in the preheated oven, switching racks halfway through, until edges are golden, 7 to 9 minutes. Cool on the baking sheet for 1 minute before removing to a wire rack to cool, 8 to 10 minutes more.

5 . Stage

While the cookies are cooling, mix butter and powdered sugar until blended. Mix in milk and vanilla.

6 . Stage

Frost cooled cookies with frosting. Press sprinkles into the frosting while still soft.