Add onion stir cook for 2 minutes with small heat.
Add garlic and ginger stir cook for 2 minutes.
Add all the spices cumin, turmeric powder, cayenne pepper powder and cinnamon cook for 1 minute. Will be good if I have coriander too.
Add tomato cook for 1 minute.
Add coconut milk, water and 1 tbsp salt bring to a simmer. Simmer until thickened, 5-10 minutes.
Add shrimps, simmer and stirring to 5 minutes with medium heat.
If you have cilantro add 3/4 cup at this time.
Since I don't have cilantro, I add my favorite okra to serve.