French-style chicken with tarragon and winter vegetables

Name: French-style chicken with tarragon and winter vegetables
Prep time: 20 min
Cook time: 55 min
Total time: 1 h 15 min
Cuisine: European, Mediterranean, French
Ingredients: 1.5kg whole chicken, trussed; 9.20 gm extra virgin olive oil; 1 leek, thinly sliced; 200g gluten-free speck, cut into thick batons; 6 French shallots, peeled; 200g button mushrooms; 250ml (1 cup) gluten-free chicken stock, warmed; 125ml (1/2 cup) white wine; 1 garlic bulb, unpeeled, halved; 1 large fresh tarragon sprig; 2 baby fennel bulbs, trimmed, sliced; 1 bunch baby carrots, peeled, trimmed