What is the opposite of mince in french?

The opposite of "mince" in French depends on the context:

If you're talking about the verb "to mince" meaning "to chop into small pieces" the opposite would be:

* Découper en gros morceaux: To cut into large pieces

* Laisser entier: To leave whole

If you're talking about the noun "mince" meaning "thin" or "scanty" the opposite would be:

* Épais: Thick

* abondant: Abundant

* Copieux: Plentiful

Without more context, it's impossible to give you the exact opposite of "mince" in French. Could you give me more information about what you're trying to express?