Kolacki Recipe from Poland - Rich and Buttery Cookies with Walnuts

Ingredients

• 1 lb (454 g) of butter
• 1 lb (454 g) of cream cheese
• 4 cups of flour
• 0.25 tsp of vanilla
• 2 cups of chopped walnuts
• 0.25 cup of sugar
• 1 egg white
• 1 tsp of vanilla