Wash the tomatoes and dice them.

Place a vessel over medium heat and saute the green tomatoes in coconut oil.

When they become soft, add chili powder and turmeric powder. After about a minute, add tamarind paste.

Continue to fry for 4-5 minutes.

Remove from heat and allow it to cool.

Place a pan over medium heat and roast all the spices mentioned above, without oil (dry roast).

When the spices turn golden brown, remove them off the heat and blend the spices and green tomatoes to a fine consistency.

Add salt to taste.