18. Mega Stuf Oreos

OK, Oreos are bad enough — not to mention the Double Stuf iteration — but Mega Stuf takes you to a whole new level, with even more white frosting sandwiched between the two chocolate cookies.

Every two cookies are loaded with 180 calories, 9 grams of fat and 17 grams of sugar. Compare that to regular, old Oreos, which include 160 calories, 7 grams of fat and 14 grams of sugar for every three cookies.

Good luck trying to resist temptation with a packet of Mega Stuf Oreos — Forbes reported in 2013 that Oreos can be as addictive to your brain as cocaine after a study on rats was released.