I've tried dunking them when hot, and dunking them when cooled. I prefer dunking them when they're just out of the oven as I think they soak up more syrup that way. This is actually the fun part. Drop 3 or 4 at a time into the hot syrup. Let them soak for around 20 to 30 seconds, flipping them over around half way through. Then quickly and confidently fish them out using either a big fork or a slotted spoon.