Vegan Mushroom & Stout Pudding

Ingredients

• 2 tbsp oil
• 1 large onion, roughly chopped
• 1 large garlic clove, finely chopped
• 250g chestnut mushrooms, quartered
• 130g closed-cup/field mushrooms, quartered
• 2 tsps dried thyme
• 2 bay leaves
• 200ml stout
• 1/2 tsp mustard
• 1 tsp yeast extract
• 150g beef-Style Pieces
• 300g self-raising flour, plus extra for dusting
• 1/2 tsp sea salt
• 150g vegetarian suet