Ingredients 

• Garlic - 10-15 cloves
• Onion - 1 chopped
• Tomato - 2 chopped 
• Tamarind - lemon size
• Coconut milk or paste - 1/2 cup
• Turmeric powder - 1/4 tsp
• Chilli powder - 1/2 tbsp
• Coriander powder - 1 1/2 tbsp
• Oil - 2 tbsp
• Mustard seeds - 1/4 tsp
• Curry leaves - 1 stick
• Salt 

• Heat pan, add oil and season with mustard and curry leaves. 
• Cut garlic cloves into half and fry well until light brown. Add chopped tomatoes and fry until tender. 
• Add turmeric, coriander, chilli powder and fry for 2 min. Add 1/4 cup water to it. Let it boil for 5 min. 
• Add coconut milk or paste. Add salt to taste. 
• Soak tamarind in 1/4 cup water, drain and add to the above. Leave until the gravy thickens