Lentil Curry

Ingredients

• 3 garlic cloves, roughly chopped
• 5 curry leaves
• 3 tbsp vegetable oil
• 1 tsp cumin seeds
• 80g/2¾oz brown onions, finely chopped (about 1 medium onion)
• ½ tsp mild chilli powder
• 1 tsp ground turmeric
• 300g/10½oz red lentils
• 1.2 litres/2 pints warm water
• 80g/2¾oz tomatoes, finely chopped
• 1 tsp caster sugar
• 1 tsp tamarind paste (or lemon juice)
• salt
• 1 tbsp chopped fresh coriander, to garnish