Everything up to 60 or so cooking, so Boiled Clams probaby, Blood Sausage is still on the table. Cooking isn't really worth it after unsub, Mark of Honor food is superior in BGs - potato stew feast
You can make https://www.wowhead.com/spell=185704/lemon-herb-filet unsubbed.
It gives 2 vers in bgs. The buff is applied in2 seconds instead of 10. It’s the best health regen food in wow. You can eat it at the same time as mage food.
You'll have tons of https://www.wowhead.com/item=5525/boiled-clams if you are farming Foamspittle and save the clams. Probably the most inexpensive food at level 20. If you're horde, go for the quest item food.