15 Foods to Avoid Eating in the Morning 12. Donuts Donuts are high in sugar and saturated fats but low in fiber and nutrients. Although tempting, they should be an occasional treat rather than a breakfast staple. They cause a quick sugar spike followed by a crash, disrupting healthy eating habits. 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