Recipe: Red Velvet Pinwheel Sandwich Cookies. Tips & Tricks: Make sandwich cookies by spreading your favorite flavor of Pillsbury® frosting on the flat sides of cooled cookies. Gently press two cookies together to form sandwiches; Decorate cooled cookies with your favorite Pillsbury frosting. Immediately top with decorator sprinkles for a festive treat. To create swirls of fun, apply your favorite variety of Pillsbury Easy Frost™ no-fuss frosting on top of cooled cookies in a spiral pattern. Immediately top with decorator sprinkles for a festive treat. Makes 3 Dozen Cookies Kosher Dairy