There are some nostalgic foods we desperately wish would come back. Others, not so much. We recently asked millennials about the food trends from the '90s and 2000s that secretly made them cringe. Here's what they said: Note: Responses have been lightly edited for length and clarity.  1. "Everything was about blue raspberry — candy, cereal, just everything had to be blue and had to be blue raspberry-flavored." —Kerry Grella, Facebook 2. "Maybe Pepsi Blue. But the commercial for it rocked!" 3. "The Special K diet." —Caitlin Dadey D'Orlando, Facebook 4. "Kids Cuisine — the entrée, sides, and dessert all cooked together for less than two minutes." 5. "Coleslaw, the real devil's lettuce." —Jackie Cheatham, Facebook 6. "Ketchup and mac 'n' cheese (sorry, not sorry)." 7. "Call me weird, but I really don't like Hot Cheetos." —Lisa Hutchins, Facebook 8. "The purple, blue, and green ketchup craze." 9. "Nobody’s going to say it? Fine.…