Slow Veggie Bolognese- Justine Pattison's easy healthy recipe

Ingredients

• 1 medium onion
• 2 garlic cloves
• 2 medium carrots
• 1 medium courgette
• 1 red pepper
• 150 g portobello or chestnut mushrooms
• 150 g dried puy lentils
• 150 g dried red split lentils
• 400 g can chopped tomatoes
• 600 ml vegetable stock ((made with 1 vegetable stock cube))
• 2 tbsp tomato purée
• 1 tsp dried oregano or mixed dried herbs
• 1 bay leaf
• flaked sea salt
• ground black pepper