For the cookies
01 -
1 cup (226 g) unsalted butter, softened
02 -
1 1/4 cups (250 g) granulated sugar
03 -
1 large egg, room temperature
04 -
1 large egg yolk, room temperature
05 -
2 teaspoons vanilla extract
06 -
1/4 teaspoon almond extract
07 -
1/3 cup (80 g) sour cream, room temperature
08 -
3 cups (360 g) all-purpose flour, spooned and leveled
09 -
2 tablespoons (16 g) cornstarch
10 -
1 1/2 teaspoons baking powder
11 -
1/2 teaspoon baking soda
12 -
3/4 teaspoon fine salt
For the frosting
13 -
1/2 cup (113 g) unsalted butter, softened
14 -
2 1/2 cups (300 g) powdered sugar
15 -
2-3 tablespoons heavy cream or whole milk
16 -
1 teaspoon vanilla extract
17 -
1 pinch fine salt
18 -
Gel food coloring, optional
19 -
1/3 cup red and green holiday sprinkles