Wild mushroom & chestnut cottage pie recipe | Good Food

Ingredients

• 2 tbsp vegetable oil
• 2 carrots chopped
• ½ swede chopped
• 12 pearl onions peeled and left whole
• 1 garlic clove crushed
• 1 rosemary sprig
• 1 tsp tomato purée
• 1 tsp yeast extract, such as Marmite
• 200g can chopped tomatoes
• 50ml white wine
• 175ml vegetable stock
• 500g fresh penny buns/ceps or mixed wild mushrooms roughly chopped
• 200g vacumn-packed chestnuts halved
• 3 potatoes diced
• 2 parsnips diced
• 2 carrots diced
• 300g celeriac diced
• 100g butter
• 50ml milk