The spumoni slices cookie recipe is well worth the work. A virtual kaleidoscope of flavors and colors!   Ingredients 2 1/2 cups all-purpose flour 1 1/2 teaspoons baking powder 1/2 teaspoon salt 2 sticks (1 cup) salted butter, softened 1 1/2 cups granulated sugar 1 egg 1 teaspoon vanilla extract 1/4 teaspoon peppermint extract 5 […]