15min · 6 servings Ingredients • 1 cup white rice (rinsed) • 6 cups of water (2 for soaking, 4 for later) • 1 big cinnamon stick • 1 can sweetened condensed milk • 2 cups whole milk • Ice. Even though the cooking time mentions 15 minutes you still need to soak rice over night and then chill the horchata before serving. The total process will take approx 10 1/2 hrs.