Fruity Thumb Print Cookies - Welch's

Ingredients

• ½ cup butter
• ⅓ cup sugar
• 1 egg, separated
• ¼ tsp vanilla extract
• 1 ¼ cups flour, sifted
• ½ tsp salt
• 1 cup flaked coconut
• 12 tbsp Welch's Concord Grape Jam