Clean and devein prawns.
Heat pan over medium-high heat and add cooking oil; sautè garlic, onion, add curry powder.
Pour in coconut milk, save about ¼ cup for later.
Season with patis, ground black pepper to taste.
Simmer for 5 mins.
Add okra and green chilis, let simmer for 2 mins, add prawns, flip them over once they change color then add water spinach.
Cover and let cook until prawns are orange in color and water spinach is wilted.
Add remaining coconut milk, simmer for 2 more mins.
Taste and adjust seasoning to your liking.
That's it... Done! :)
Did you remember to cook the rice??? ;D