When you are creating a meal plan, you can either add new foods or add different options of similar foods, as food alternatives.
After clicking on the + sign to add the food you want to recommend, you can search another food item, when clicking on the "+" again the software will add an or to connect those two (or more) foods.
You can also create food groups and list of equivalents. If you wish to know how check out this article "How to create lists of equivalents".
With this option you are giving your patients a balanced and diverse meal plan, allowing them to choose different foods in each meal.