01 -
2 cups gluten-free flour (Bob's Red Mill 1:1).
02 -
1/2 cup unsalted butter, softened.
03 -
3/4 cup packed brown sugar.
04 -
1/2 cup sugar.
05 -
2 teaspoons vanilla.
06 -
1 teaspoon baking soda.
07 -
1 teaspoon cornstarch.
08 -
1 large egg plus 1 egg yolk.
09 -
1/4 teaspoon salt.
10 -
1 1/2 cups chocolate chips.
11 -
1 cup (2 sticks) salted butter, softened.
12 -
4 1/2 cups confectioners' sugar.
13 -
2 teaspoons clear vanilla extract.
14 -
2-4 tablespoons whole milk or cream.