Lobster probably. Ocean cockroaches have the perfect texture to put flavored butter in your mouth. Particularly love lobster rolls with some nice herbs. Crazy how we like ocean roaches so much we've made them expensive.
When I lived in coastal New England in the early 2000s, a lobster roll was a hot dog bun with some random lobster chunks and a little bit of mayo, and you could get it at Stop & Shop for five bucks if the lobster catch was doing well.
I live in the Bay Area now and if you see an item called "lobster roll" here it's probably $25 and it's on brioche or something, and it's not even good.
If you live in lobster town, eat lobster rolls. If you live in taco town, eat tacos.
In the summers in New England you used to be able to get live lobster for 6 bucks/lb. Not sure what it's up to these days but I'll never order it in a restaurant. It's one of those things that you and a professional chef can get the exact same result by boiling it for a few mins. Plus at home you can get completely messy and hose yourself of immediately afterwards.