– Oil spray for greasing the molds; pick one with a neutral taste. – 1 cup (236 milliliters) of whole milk or heavy cream – ½ cup (118 milliliters) of condensed milk – 1 tablespoon of dark vanilla extract – 1¾ tablespoon of instant coffee (espresso powder) – 2 teaspoons of unflavored gelatin powder – ¼ cup (70 milliliters) of canned dulce de leche – 4 tablespoons of ice-cold water – Some warm water to remove the mold at the end