Mushroom-Quinoa Soup | Williams Sonoma

Ingredients

• 2 Tbs. unsalted butter
• 2 Tbs. all-purpose flour
• 1/2 tsp. salt, plus more, to taste
• 1/4 tsp. freshly ground pepper, plus more, to taste
• 1 leek, white portion only, halved, rinsed and thinly sliced
• 1 carrot, finely chopped
• 1 celery stalk, finely chopped
• 1 cup dry red wine
• 4 cups chicken or vegetable broth
• 1 lb. cremini mushrooms, stems removed and caps quartered
• 1/3 cup quinoa, well rinsed