Pick your water leaf,slice and rinse several times to remove sand,drain in a sieve, the reason why I sliced before washing is for it to be easy to slic.Assemble your tomato,wash with desired pepper and onions,blend with a manual blender,(don't add water when blending) set aside.pour desired oil in a dry pot,heat it on medium heat,pour in tomato puree,fry for 3mins,add fish,seasoning,stir,bring to boil,taste to adjust with salt(don't add water)Add vegetable, last,boil for 2mins, turn off heat