Colin's chicken and leek pie with tarragon and mushroom - Better Homes & Gardens Australia

Ingredients

• 1/2 cup plain flour
• 1/3 cup olive oil, plus extra 2 Tbsp
• 2 brown onions, finely chopped
• 4 cloves garlic, sliced
• 2 leeks, trimmed, washed, roughly chopped
• 200g button mushrooms, sliced
• 200ml white wine
• 1.5L chicken stock
• 150ml pouring cream or crème fraîche
• 1 bunch tarragon, chopped, plus extra sprigs, to serve
• 1 bunch thyme, leaves picked
• Sea-salt flakes and freshly ground black pepper, to season
• 6 chicken thighs, bone-in, skin on
• Extra olive oil or melted butter, for brushing
• 6–8 washed red potatoes, thinly sliced