We have an old house that is quite cold especially in winter. As a result, the bottled honey we buy solidifies in the squeeze bottle. The manufacturer recommendation for this is to gently reheat the bottle (although it doesn't state exactly how).
I have in the past placed the bottle in gently simmering water and even placed it in the sous vide bath @ 60C (140F) which works reasonable well. The only downside is that it takes a good 5 minutes to heat through and I have to dry the bottle off.
I tried tonight nuking it in the microwave for 30 seconds, giving it a good shake and resting for a minute. While not quite as effective as the water method at loosening the honey, it did avoid the hassle of drying the bottle off.
Are there any health risks associated with reheating honey and am I breaking any food safety guidelines by microwaving it multiple times? In both examples I am not reheating all of the honey to a liquid state throughout, just enough to get a portion out of the bottle.