Poached chicken & pancetta pie with spring onion colcannon recipe | Good Food

Ingredients

• 1.3-1.4kg whole chicken
• 1 litre whole milk
• 1 litre chicken stock
• 1 onion halved
• 2 bay leaves
• 80g prosciutto or pancetta, cut into 1cm pieces
• 40g unsalted butter
• 40g plain flour
• 200ml dry white wine
• 1½ tbsp wholegrain mustard
• 100ml double cream
• 1.5kg Maris Piper potatoes cut into 2cm cubes
• 30g butter
• 2 bunches of spring onions sliced
• 100ml whole milk
• 30g gruyère or comte, finely grated