When we say beans, of course, we mean beans, lentils, chickpeas, and split peas. All legumes are superstars. They’re a solid source of fiber and plant protein. They’re also packed with other nutrients (hello potassium, magnesium, folate, zinc, and iron!). And they’re easy on the planet. One more upside: Think of already-cooked beans as nature’s fast food. Here are some of our favorite supermarket finds for a quick and easy meal.