Prepare this classic French-style dish in minutes, with its rich sauce mix of tomato, herbs and white wine. Then relax while the flavours simmer gently in the oven.
Pre-heat the oven to 180°C, 350°F, Gas Mark 4.
Heat oil and soften onion. Add chicken and brown on both sides for 2-3 minutes. Transfer to a casserole dish and add mushrooms.
Serve with baked potatoes.
Mix sachet contents with water and add to casserole dish. Cover and cook for 1 hour.