Mancunian Vegan Lancashire Hotpot - Meat Free Monday

Ingredients

• 1 onion (peeled and finely chopped)
• 200 g/7 oz swede or turnip (peeled and chopped)
• 200 g/7 oz parsnips (peeled and chopped)
• 4 carrots (peeled and sliced)
• 1 garlic clove (crushed and chopped)
• 2 lb/900 g potatoes (peeled and sliced)
• 400 g tinned red lentils
• 3 tablespoons pearl barley
• 400 ml/14 fl oz vegetable stock
• 1 teaspoon vegetarian soy sauce
• 1 teaspoon dried mixed herbs
• 2 tablespoons olive oil
• 2 teaspoons plain flour
• black pepper and salt to taste