Using food process, process boiled tofu and chicken until combined. Add in egg, mix well. Add in coconut milk and lime juice. Stir to combine. Set aside.
Meanwhile, using food processor, chopped, crushed, all ingredients minus salam leaves, lemongrass, salt, sugar, and boiled water spinach, until smooth and well blended.
Add in the well blended ingredients into tofu, mix well. Add in sugar, salt (and pepper if needed), mix to combine.
Divide mixture into two bowls. Add water spinach into one, mix.
Place one salam leaf and one lemon grass on the banana leaf then followed by two tablespoons of tofu mixture. Use toothpick to hold the banana leaf. (For the one with water spinach, do the same)
Steam for about 45-60 minutes.