Ice Kugel

Ingredients

 * 2 cups flour
 * 1/2 lb butter
 * 3/4 cup sour cream
 * 1 egg yolk (1 whole egg)
 * 3/4 cup sugar
 * 1 tsp cinnamon
 * 1/2 cup walnuts

Instructions
Combine all ingredients and roll into balls. Chill in fridge.