Take a picture from further back so we can at least understand the space. I assume you mean a baking space . Why not just simple large format subway tile in a color that works with the rest of the tile just do not do white grout for sure in a baking area. Maybe just stainless for the walls I need to see the space .

Subway tiles are definitely a great idea. Porcelain tiles would be resilient and easy to clean. But I agree that seeing the rest of the space would helpful.

Space is like this with tiles undera that fake floor