If you are looking for lemon zest substitute, then you can substitute it with other citrus zests or ingredients that provide a similar tangy flavor. Here are some options:Lime Zest: Lime zest has a similar citrusy flavor to lemon zest and can be used interchangeably in many recipes.Orange Zest: While it's a bit sweeter than lemon zest, orange zest can still add a nice citrusy punch to dishes.Grapefruit Zest: Grapefruit zest is another option if you want a slightly more bitter and intense citrus flavor.