When I was in Italy one of the girls in my beginning Italian class was from America and mentioned she used to work at Five Guys. Of course that means she knows about the best combinations and secret items to order that are off menu.
So this was her advice! She told me as soon as I got back home I should go to five guys and order a Veggie Sandwich with bacon (which defeats the purpose of a vegetarian item..I'm in!), mayo, hot sauce, BBQ sauce, and extra cheese with the cajun fries.
This sounded a little skeptical to me but it ended up being so delicious. I'm not a huge lover of condiments but these all together were fantastic and nothing I would've thought up on my own. Such great advice from unexpected places!