sponge cake (see recipe: http://www.mis-recetas.org/recetas/show/11741-bizcocho-genoves) made with 3 or 4 eggs (see the link), or a yogurt cake made with 4 eggs, 3 cups flour (about 375 grams), 2 cups sugar (about 400 grams), 1 cup vegetable oil (about 240 ml), plus 1 cup plain yogurt (about 125 grams); use the yogurt cup to measure the ingredients • sweetened condensed milk (200 grams) • evaporated milk (200 grams) • heavy cream (about 200 grams) • vanilla extract • Topping of your choice: whipped cream, chocolate, toasted meringue, etc