Toasting Marshmallows in the Kitchen

What’s going on here?  My two youngest are toasting marshmallows in the kitchen over a candle.
“It’s okay,” they said, “daddy’s been letting us do this all afternoon.”
(Don’t worry.  They’re well supervised.)

My two littlest were chatting and carrying on as if around a real campfire, but without all the hassle.
Carry on!
Lynn