That's why it's the beans+rice combination that's complete, because they're complementary in composition. But the truth is that you don't need to eat them in t

That's why it's the beans+rice combination that's complete, because they're complementary in composition. But the truth is that you don't need to eat them in the same meal, and most people don't have a shortage of grain in their diets if they aren't going out of their way to make it so. Porridge in the morning and lentils at lunch and you've done it.