15 Foods You Should Never Eat In The Morning 13. Pop Tarts Pop Tarts are convenient and fun, but they are made with processed flour, artificial colors, and lots of sugar. Eating them for breakfast causes a sugar spike and crash, leading to fatigue and cravings later in the day. Limit them to rare occasions. Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15