Vegetarian Cassoulet with Mushrooms and Chard recipes

Name: Vegetarian Cassoulet with Mushrooms and Chard recipes
Ingredients: 2 tablespoons olive oil or unsalted butter; 2 medium leeks, halved and thinly sliced (about 2 cups); 2 celery ribs, finely diced (about 1 cup); 2 medium carrots, peeled and finely diced (about 1 cup); 2 large garlic cloves, minced; 8 ounces cremini or baby bello mushrooms, quartered; 1 bunch red chard, thinly sliced; 1 teaspoon sea salt; 1/2 cup dry red wine; Two 15-ounce cans cannellini or great northern beans; 1 1/2 cups vegetable broth; 4 thyme sprigs; 1/3 cup gluten-free breadcrumbs or nut crumbs (see note)