Prawn and spinach sodhi (coconut gravy)

Ingredients

• 1 whole grated coconut - extract about 1/2 litre of milk from it
• 15 medium size prawns - remove head and vein, leave the tail on
• 1 bunch (100g) of small leaves bayam - remove roots, watched and cut into 1 inch length
• 1 (100g) onion - sliced thinly
• 2 green chillies - remove seed and cut into 1 inch length
• 1 (100g) tomato - sliced thinly
• 1/2 tbsp fenugreek (halba) seeds
• 2 sprigs curry leaves
• 1/2 tbsp turmeric/kunyit powder
• 1 1/2 tbsp lemon juice
• salt to taste