Can I take homemade food on a plane?

Solid food items (not liquids or gels) can be transported in either your carry-on or checked bags. Liquid or gel food items larger than 3.4 oz are not allowed in carry-on bags and should be placed in your checked bags if possible.

https://www.tsa.gov/travel/security-screening/whatcanibring/food#:~:text=Solid%20food%20items%20(not%20liquids,your%20checked%20bags%20if%20possible.