15 Morning Foods You Must Avoid at All Costs 13. Pop Tarts Pop Tarts are easy and playful, but they’re crafted from processed flour, artificial colors, and heaps of sugar. Starting your day with them triggers a sugar spike and crash, leading to tiredness and cravings later. Save them for rare treats. 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