How do products have ‘secret recipes’ if they need to disclose the contents on the packaging?

Question

How do products have ‘secret recipes’ if they need to disclose the contents on the packaging?

In:

Answer 1

Yes, but you just get the raw ingredients. But what you are mixing together and how you do it is important. Recipes arent just a list of ingredients. So they may have a certain mixture or way of making the product.