I haven't tried anything with nuts yet, but they shouldn't have trouble with a paste consistency. Baby food isn't much thinner then peanut butter, and they had no problems with eggs and pancakes for lunch today.

A free standing tent is a definite possability for both sleeping and containment. I saw a lot of Coleman dome and instant set-up tents at Sierra Club car camp, and they're fairly inexpensive.

Tantrums are a bigone conclusion, and earplugs are part of my EDC. Not joking.
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Hope for the best and prepare for the worst.

The object in life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane