Hi Jeff: My lunch, snacks, and dinner included Stoned Wheat Thins, hard cheese, cured sausage, small tins of tuna, canned oranges/peaches, and electrolyte chews. For breakfast we used a stove to make oatmeal. My diet was quite restricted compared to what I usually eat but I did that on purpose to avoid bathroom problems, gas, discomfort, etc. And they definitely weren't the "light & packable" foods recommended for hiking but most of those things do not agree with me (those freeze dried dinners are not pouch friendly!). For me having small portions helps a lot too.
You mentioned that you had a Cliff bar and it caused problems--I still have that issue too sometimes with those bars and protein bars. If you want to try and introduce things like that it works best for me to eat 1/3 or 1/2 bar. Hopefully that helps a little bit, let me know if you have any other questions. Happy hiking!