Web timer for 20 minutes
Stay by the stove while kangkong simmers in coconut milk, giving it 20 minutes to soften while you stir occasionally and watch the sauce thicken. Keep the heat gentle once the coconut milk begins bubbling, since a hard boil can reduce the sauce quickly and leave the leaves overcooked before the stems become tender.
While the kangkong cooks, keep this page open in the foreground or in an active browser tab as you check the pan. Closing the tab or browser can stop the countdown or prevent its alert from reaching you, depending on your phone settings. If you must switch away, note the expected finish time and rely on the simmering sauce as a second cue.
As you remain near the pan, taste a stem when the alert sounds and check whether the coconut sauce has reached the thickness you want. If another batch needs the same countdown straight away, reset it only after the first pan is off the heat, then start it when the next coconut-milk mixture returns to a gentle simmer.
Frequently asked questions
Why might kangkong in coconut milk need less than 20 minutes?
Tender leaves, thin stems, a wide pan, or stronger heat can make the kangkong finish sooner. Remove it from the heat when the stems are tender and the sauce has reduced enough, even if the countdown is still running.
Why might kangkong in coconut milk take longer than 20 minutes?
Thicker stems, a crowded pan, or a very low flame can slow the simmer, especially when the coconut milk has just come from the fridge. Continue briefly while staying beside the stove, checking often so the sauce does not become too thick.