Through the WP Recipe Maker > Manage > Recipe Fields > Ingredients page you can define the plural of a specific ingredient. By doing that, the appropriate version will be used automatically when using the Adjustable Servings or Shopping List feature, for example.

This also means that only the singular version shows up in the grid and can show both recipes using “lime” and “limes”. Further more, you’ll only have to define Ingredient Links once.

In the example below the last ingredient in the list is “lime”, which has a plural set. Try clicking on “2x” to see the ingredient automatically use the correct form: