Candy Cane Cookies

Bahan-bahan (40 porsi)

• 1 cup unsalted butter (room temperature)
• 1 cup powdered sugar (sifted)
• 1 large egg (room temperature)
• 1 ¼ teaspoon peppermint extract
• 1 teaspoon vanilla extract
• 2 ½ cups all-purpose flour
• ½ teaspoon salt
• 1 ½ teaspoons red food coloring (or red gel, see note )