Warm Dal with Spinach - Veganuary

Ingredients

• 250g red lentils
• 1 onion
• 1 garlic clove
• 20g ginger
• 4 tbsp rapeseed oil
• 1 tsp mustard seeds
• ½ tsp cumin
• ½ tsp ground coriander
• ½ tsp garam masala
• 1 tsp turmeric
• 500g fresh spinach
• 400 ml coconut milk
• 200 ml water
• freshly ground sea salt and black pepper
• ½ lemon, juice