Danish Creamery : Valentine Butter Cookies

Ingredients

• 1 cup (2 sticks) Danish Creamery Butter, softened
• ¾ cup sugar
• 1 egg (large)
• ½ teaspoon vanilla
• 2 ¾ cups all-purpose flour
• ¼ teaspoon baking soda
• ¼ teaspoon salt
• ¼ cup (½ stick) Danish Creamery Butter, softened
• 1 cup powdered sugar
• ¼ teaspoon vanilla
• 1 Tablespoon milk or water
• 1 or 2 drops red food coloring, if desired