67. A Riddle to Keep You Warm

Riddle 67:

“When a project is done they say it’s this, and you can put tomato, lettuce, and mayo in one, When you’re shocked about something your mind will try it, Or just wear it to be toasty as a bun, What am I?”

Look for the subtle clues in the title, photo, and tags.

You can find the answer to this riddle here.