Walnut Crusted Butter Wafers - Challenge Dairy

Ingredients

• 1 cup (2 sticks) Challenge European Style Unsalted Butter
• 1 cup sugar
• 1 egg
• 1 teaspoon vanilla
• 2 cups all-purpose flour
• 2½ Tablespoons cornstarch
• ¾ teaspoon baking powder
• ½ teaspoon salt
• ½ cup finely chopped walnuts