→ Cookie Dough
01 -
2 1/2 cups all-purpose flour
02 -
2 tablespoons cornstarch
03 -
1 teaspoon baking soda
04 -
1/2 teaspoon kosher salt
05 -
10 tablespoons unsalted butter, room temperature
06 -
1 cup granulated sugar
07 -
1/4 cup vegetable oil or canola oil
08 -
1 large egg, room temperature
09 -
1 large egg yolk, room temperature
10 -
2 teaspoons vanilla extract
→ Buttercream Frosting
11 -
3/4 cup unsalted butter, room temperature
12 -
2 to 3 cups powdered sugar
13 -
1 teaspoon vanilla extract
14 -
1 to 2 tablespoons milk