To create deviled egg Christmas trees, start by hard-boiling a few eggs. Next, cut the peeled boiled eggs half crosswise "to make it look like a planter for the Christmas Tree," Whalen says.

Boiled eggs should be left alone to cool for about ... egg's iron and sulfur heating up and intermingling), but it isn't very cute or egg-yolk sunny. Still, assembling an ice bath isn't the ...