Ingredients

• 1 (19-ounce) can chickpeas
• 2 garlic cloves
• 1/2 medium onion
• 1 tablespoon fresh rosemary leaves
• 1/4 cup chopped fresh flat-leafed parsley
• 1/2 cup fine fresh bread crumbs
• 3/4 cup walnuts, toasted and chopped
• 1 large egg
• Salt and pepper
• 2 tablespoons olive oil
• 4 sesame buns
• 4 slices beefsteak tomato
• 4 slices red onion

Instructions

1. In a colander rinse and drain chickpeas. In a food processor pulse garlic, onion, and rosemary until chopped coarse. Add chickpeas, parsley, and bread crumbs and pulse until just combined. Transfer mixture to a bowl and stir in walnuts, egg, and salt and pepper, to taste, until well combined. Form mixture into four 3-inch patties. Chill patties, covered, at least 1 hour and up to 1 day.
2. In a large cast iron skillet heat oil over moderate heat until hot but not smoking and cook patties until golden brown, about 4 minutes on each side. Toast sesame buns. Transfer burgers to buns and top with tomato and onion.