
Ingredients
·1/2 tablespoon extra-virgin olive oil
·1 large red onion, sliced into small wedges
·1/2 pound green beans, trimmed
·1/4 cup vegetable broth
·1/2 tablespoon balsamic vinegar
·1 teaspoon light brown sugar
·1/8 teaspoon salt
·Freshly ground pepper, to taste