1. Combine all the seasoning ingredients in a small mixing bowl, set aside. 2. In a small sauce pan, saute onion and garlic in oil over medium heat until soft. Add the fish, reserved juice, and the water and bring to boil. 3. Add the sauce to the pan and stir. Add the zucchini and bring to boil again. Reduce the heat to med-low and simmer for 7-8 minutes or until the mixture thickens a little. 4. Add the chili and green onion, if using, and let it cook for another 1-2 minutes. 5. Remove from heat and let it cool. It will thicken more as it cools. 6. To serve the dish, place 1 tablespoonful of rice in the middle of lettuce, top with the fish topping sauce, about 1/2 Tbsp, and gently bunch the lettuce together and eat in ONE bite.