Chicken, Mushroom, and Rice Soup - Master recipes

Ingredients

• Whole chicken - 1 (3 1/2) pound
• Carrot, cut into 2-inch pieces - 1 large
• Celery, cut into 2-inch pieces - 1 rib
• Red onion, roughly chopped - 1 medium
• Bay leaf - 1 large
• Water to cover - 1 large
• Unsalted butter - ¼ cup
• Mushrooms, thickly sliced - 1 pound
• Kosher salt, or more to taste - 1 teaspoon
• Diced red onion - 1 cup
• Garlic, minced - 4 cloves
• Freshly ground black pepper - ½ teaspoon
• Cayenne pepper - 1 pinch
• Fresh thyme - 3 sprigs
• Medium-grain white rice - 1 cup