Peel green papaya and remove seeds. Dice into chunks and set aside.
Heat coconut oil in a large skillet and add the mustard and cumin seeds plus the garlic and allow to sizzle and become fragrant.
Add the onion and cook until onion browns lightly.
Stir in the papaya and spices along with the water.
Cover and simmer for about 15-20 minutes or until the papaya softens. I've described the raw papaya texture to be like potato- similarly, it should have the texture of cooked potato when it is done. Time might vary depending on the size of chunks.