O cooked ! Well you learn to play so much UO that your character's eat better than you do ! I would set up a vendor , sell them for 1 - 2 each and they should eventually all go . Depending on your location that is , may want to rent a reasonable vendor spot as in 1 -10K a week to sell those and your other ware's .
I rent an excellent location at Brit gate also have tried Luna renting . The gold you save paying 10K say a week to 50-100K ( luna ) i suggest considering .
As far as food selling goes , fishsteaks are one that always sells as long as your undercutting everyone else . The other few item's that actually sell are Cake's , Sushi item's and Enchanted Apple's . Selling enough so it's not lucrative but a fun task to check my food vendor and re-stock when needed .
Adding quest like task's such as clean up Brit sounds like the best idea for all as long as it is done properly . As in implemented properly to add the old clean up item's as well all library , zoo , museum and other new minor used skill blessed tool's & device's . Congratulation's on the GM Chef !