Mix tomatoes, onion, and squash in a deep sauce panor pot. Add water and boil. After 5 minutes cooking, add tokwa and upo. Whenthe upo is almost tender, add malunggay and cook 2 minutes longer or untilmalunggay leaves are wilted. Remove from heat. Salt and pepper to taste (orinstead of salt, you can add patis, it will give a better flavour). Garnishwith fresh tomatoes and cilantro or kinchay (Chinese celery).