Yes
Yes I just did this same thing in 3-3!
YES. And its totally worth it.
Yes they will the bucket of doughnuts is the best for travel!
Yes, you won't be sorry. Amazingly delicious!
Not sure about a box, but the bag of donuts I had came through.
Yes you can
Yes, but recent TSA security rules frown upon food coming through the security zone.
Most airports allow food but not too sure . I have taken cupcakes but, had to take as an extra carry on.
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