No, it's a typo. I hope.

I figured he could have licked his fingers and pinched the flame out. Then again that was a long struggle so he was probably parched by the time he got there.

Also, Ellaria is not a Sand Snake.

I think it's just a typo. I had the captions on the second time I watched it and she definitely says Robert.

I believe he had already been eating the pie and she was just bringing him seconds.

It's cool, I only recently discovered this myself. I'm just glad I finally got the chance to correct someone on it so I can feel superior.

Desert (archaic): Reward or punishment for that which one deserves.