Chocolate Job Thumbprint Cookies Colorful cookies with a delicious jam look like rubies! How to make thumbprint cookies? Ingredients 1 cup unsalted butter 226g, room temperature2 large eggs1 cup sugar 200g4 cups all-purpose flour 480g1/2 cup cornstarch sifted3/4 tsp kosher salt 3g1 tsp pure vanilla extract 5mL Strawberry and apricot jam1 cup powdered sugar2 tbsp milk plus more as needed1 tsp vanilla extract Thumbprint cookies video recipe Author of video content: Preppy Kitchen Looking for more delicious recipes? More recipes