Have you read Toriko? Not isekai but great manga about food/cooking.
This one also not isekai but other dimension:
https://www.mangago.zone/read-manga/i_ll_resign_and_have_a_fresh_start_in_this_world/
Reverse Isekai
- MC isekai to Murim now back to Earth with his powers
https://www.mangago.zone/read-manga/heavenly_demon_bakery/
MC reincarnated in another world.
OP Mage - retired
Now he's cooking in his restaurant.
Twist is that he can get (steal?) ingredients from Earth.. He pays back with his current world's currency GOLD
https://www.mangago.zone/read-manga/the_archmage_s_restaurant/
Anyways my Chef and Food Lover's list
https://www.mangago.zone/home/mangalist/12467/
If you ever want to check something else with cooking and food
Any recs of transmigration manhwa or manga that is mainly centered around cooking