From a taste perspective, oat milk and almond milk are pretty similar to cow’s milk. Both have mild, light, and slightly sweet flavors and a creamy consistency. Nutritionally speaking, soy milk is most similar to cow’s milk because they have the same amount of protein and a similar amount of saturated fat. One cup of soy milk has 50 calories, 6 grams of protein, and no grams of saturated fat. Compare that to one cup of skim milk, which has 100 calories, 10 grams of protein, and 0 grams of saturated fat. One cup of low-fat milk provides 111 calories, 8 grams of protein, and 1.5 grams of saturated fat.