On the other hand, I spent a couple years writing a tofu cookbook and have fully embraced making fresh soy milk at home. Compared to other plant-based alternative milk beverages, soy milk has more protein. In fact, soy milk possesses as much protein as whole cow’s milk—but it’s lower in calories and, luckily for me, lactose-free. Super fresh soy milk is easy to make at home and, frankly, tastes leagues better than the stuff sold in boxes—or even at dedicated tofu shops. Soy milk essential ingredientsSince there are only two ingredients involved in making soy milk, you’ll want to choose them wisely.