Garlicky Swiss Chard and Chickpeas

olive oil, divided

bunches Swiss chard, center stems cut out and discarded and leaves coarsely chopped

low-sodium chicken broth (or vegetable broth)

medium shallots, finely chopped (about ½ cup)6 medium garlic cloves, minced

can garbanzo beans (chickpeas), rinsed and drained

freshly squeezed lemon juice

Salt and freshly ground black pepper,

crumbled feta cheese, optional