Respuesta :
Answer:
The answer is
to inform readers that not all ingredients are required
Explanation:
This is because I took the K12 quiz, studied it, and got it correct :)
The purpose of the author to write the word optional in the recipe of any food item is to inform readers that the particular ingredient is not important for the recipe.
An “optional” in the ingredients means either you can skip that item or use it depending upon the choice taste, whatever you like.
In the given recipe the fat-free whipped topping is “optional” because it can be replaced by high fat containing whipped creams or other types of whipping creams that can be used for the topping of the desert.
For more details :
https://brainly.com/question/3454463