Well, perhaps in this fanfic, Naruto is sent to a parallel world where he meets Alice from the Shokugeki world. He has no idea about cooking at first, but he's eager to learn because he wants to fit in. Alice takes him under her wing. They then enter a special Shokugeki tournament where the rules are a bit different. Naruto's ability to think on his feet and adapt quickly helps them come up with unique cooking combinations. For example, he might use his chakra to enhance the flavors in a way that no one has ever seen before in the Shokugeki world.
A possible plot could be that there is a mysterious force that is causing chaos in the Shokugeki world. Naruto and Alice cross paths while trying to figure out what's going on. They initially have different ideas on how to solve the problem. Alice believes in using her cooking skills to create a dish that can counter the negative effects of the mystery force. Naruto, on the other hand, wants to directly confront whatever is causing the chaos. Eventually, they realize that they need to combine their approaches. So, they create a super - dish using Alice's cooking expertise and Naruto's ninja - like energy, and they save the Shokugeki world.