Peppermint Sugar Cookies

Ingredients (10)

• 1 cup unsalted butter, softened
• 1/2 teaspoon salt
• 1 cup sugar
• 1/2 cup confectioners' sugar
• 1 large egg, room temperature
• 1 teaspoon vanilla extract
• 1/2 teaspoon peppermint extract
• 2-3/4 cups (365 grams) all-purpose flour
• 1/2 teaspoon baking powder
• 1/4 cup cornstarch