Crystallized honey can be brought back to liquid consistency by gently heating it in a hot water bath – heat a saucepan filled with enough water to reach the level of honey in the jar to 95-105 ºF, then remove it from the heat or turn off the heat. Take the lid off of the honey jar and immerse the jar in the water. Let it stand for about 20-30 minutes. The heat will slowly dissolve the glucose crystals and become liquid again.
Stir occasionally to even the heat throughout the honey, as crystallized honey is a poor conductor of heat.