 If you liked Rougo ni Sonaete Isekai de 8-manmai no Kinka wo Tamemasu |  ...then you might like Tondemo Skill de Isekai Hourou Meshi |
Both main character comes to new world an introduces the world to new earth items. Both have a focus on food. But Retirement is more than just food and does a lot of talk about nobles. Campfire is focused more on creating delicious food.