through the addition of coffee fluids, different colours of cake paste are brought out, resulting in leopard stripes. normal cakes, with these spottips, and some coffee fragrances, become much more interesting. materials: cake bodies: yogurt: four eggs, 40 g corn oil, 20 g fine sugar, 80 g low-stamp flour, 70 g milk protein: four proteins, 45 g fine sugar, a few drops of coffee juice: coffee powder 9g, hot water 4 small spoons, lush cream 150g, sugar powder 15g