Chicken Fricassee with Mushrooms

Ingredients

• 1 whole chicken, cut into 8 pieces
• salt
• pepper
• 3 tablespoons vegan butter, divided
• 2 tablespoons vegetable oil
• 1 onion, diced, about 3 cups
• 1 carrot, diced, about 2 cups
• 2–3 stalks celery, diced, about 2 cups
• 2 quarts sliced mushrooms (we used trumpet, shiitake, and enoki)
• 2 tablespoons Glicks Flour
• 1 and 1/4 cups Herzog Lineage Chardonnay or other white wine
• 3 cups chicken stock, such as Manischewitz Chicken Broth
• 2 sprigs fresh thyme, checked
• 1 bay leaf
• 3 sprigs flat-leaf parsley, checked
• 2 egg yolks
• 1/4 cup oat milk
• 2–3 tablespoons rough chopped tarragon, checked
• 2 tablespoons fresh lemon juice