Beef and IPA casserole recipe

Ingredients

• 2 tbsp vegetable oil
• 1 x 500g pack British diced beef
• 50g plain flour, seasoned with salt
• 5 echalion shallots, peeled and halved lengthways
• 350g celeriac, cut into 2cm chunks
• 2 carrots, cut into 2cm rounds
• 2 celery sticks, sliced
• 150g baby button chestnut mushrooms
• 15g dried porcini mushrooms
• 1 fat garlic clove, sliced
• 1 x 330ml can IPA
• 2 tbsp tomato purée
• 550ml beef stock (made using 1 stock pot or cube)
• ½ tbsp Worcestershire sauce
• 2 bay leaves
• 4 sprigs thyme, plus extra to garnish
• mashed potatoes and wilted greens