This is a chain throughout singapore. You've got to try kaya toast while in singapore. It's some soft cooked or boiled eggs with a side of sugar butter toast.
Hawker in East Coast Park which runs all along the waterway. I biked here one day and grabbed some Hainanese chicken as I'm obsessed. If you're into biking, would highly recommend biking to this hawker.
Frog porridge is definitely not my thing, but if you're going to do it, this is a good & popular spot. I think it's much more popular at night. I went during the day.