Wash the okra and pat dry.Cut into 1″ pieces.Peel the onions.Soak the tamarind in hot water for 30 minutes and extract thick pulp.
Add 2 teaspoons sesame oil to a kadai and heat it. Once the oil is hot add mustard seeds,once they crackle,add methi seeds,curry leaves and red chillies.
After tempering,add the onions and saute well. Add the cut okra and saute for 2 minutes. Next add sambar powder,turmeric powder and saute till the raw smell goes off.
Add the tamarind pulp and bring to a full boil. Also add 2 cups water,salt and boil for 10-12 minutes
Once the stew has thickened to half way,add jaggery and boil for 10 more minutes till the stew is thick enough.
Finally add 1 teaspoon sesame oil and remove from flame.Serve hot with rice.