Vegetarian Mushroom Daube with Prunes

Ingredients

• 1 small orange
• 2 tablespoons extra-virgin olive oil
• 3 carrots (scrubbed and cut into ¼-inch rounds)
• 2 leeks (white, light green and some dark green parts, thinly sliced)
• 1 large onion (diced)
• 3 cloves garlic (minced)
• 1½ pounds mushrooms (such as button, cremini and/or others, thickly sliced)
• ½ teaspoon Kosher or sea salt
• ¼ teaspoon black pepper
• 1 pound red potatoes (about 4 medium, scrubbed and cut into ¼-inch pieces)
• 3 tablespoons all-purpose flour
• 2 cups low-sodium vegetable broth
• ½ cup chopped California prunes
• 3 thyme sprigs or 1 teaspoon dried thyme
• 2 rosemary sprigs or 1 teaspoon dried rosemary
• 2 bay leaves
• 1 cup dry red wine
• 2 tablespoons tomato paste
• 1 tablespoon low-sodium soy sauce