We go through a lot of honey at our house, so we usually purchase the extra large jug. The downside is that it crystalizes before we can use it up! The shape of the bottle or jug makes it especially difficult to scoop the crystalized honey out.
Honey does not spoil, it just forms crystals that have a thickening effect on the honey and make it unpourable. (is that a word?) A simple way to revive your honey and make it pourable again is to put the honey containers into a crockpot with water and heat it on LOW for a couple of hours. I didn’t measure the amount of water I put in there — it was just enough to make the jars float slightly, but not enough to make them tip over in the water. After 2 1/2 to 3 hours, the honey was liquid again, and most of the crystals had melted. You can leave it in the crockpot until all the crystals melt, but I don’t feel it’s necessary. As long as it’s pourable, I’m happy.
I’ve heard that heating honey changes the flavor or takes some of the natural flavor away. Considering this was store-bought honey that has already been heated, I’m not worried about the flavor. It’s already not the same as our fresh honey from the hives, and that’s alright. It still makes a good peanut butter and honey sandwich!