Chickpea Soup

Name: Chickpea Soup
Cuisine: African
Ingredients: 1 1/2 cups dried chickpeas, or 3 15-ounce cans chickpeas, rinsed; 3 tablespoons olive oil; 2 large onions, coarsely chopped; 4 garlic cloves, chopped; 1 sprig thyme; 1/2 cup dry white wine; 4 cups vegetable broth; Kosher salt; 1 bunch broccoli, stems reserved for another use, cut into small florets; Flat-leaf parsley and fresh tarragon leaves (for garnish)