Can I bring food on a plane international flight
Maybe? The nature, quantity, and the intent/use of the food item(s) all impact the eligibility for carrying food with you on an international flight.
,Your question is simply too vague to determine with accuracy as the airline, the TSA, and customs at the destination all might have things to say about it.
,For a few examples; if you are going to bring a cup full of cheeriou2019s for your young child to snack on itu2019s probably fine.
A milk container might have to be abandoned if the TSA says itu2019s above the allowable (ml) limit.
Bringing a fish you dried yourself to share with your hosts at your destination will probably get seized by customs upon your arrival.