While we sit back, relax and enjoy the slow-passing time at a restaurant table, slowly devouring a savory appetizer, impatiently dreaming of the meal we’re about to be served fresh straight from the kitchen, things can go wrong on the other side of the curtain. Although we’d like to think we are 100 percent sure of the restaurant’s quality, freshness, and hygiene—after all, it’s buzzing with people and you couldn’t trick them, right?—this is not always the case.