Campfire Cooking in Another World with My Absurd Skill

Premise

Tsuyoshi Mukohda, an ordinary salaryman, is suddenly transported to another world one day. The unique skill he gains upon arrival in this world is the seemingly useless "Online Grocery." Mukohda is discouraged at first, but the modern foods he's able to bring to his new world using this skill prove to have some unbelievable effects!