チョコチップクッキーって英語でなんて言うの？

▪ Chocolate chip cookie

A chocolate is a cookie with drops of chocolate in it.
It can also be called a chocolate chip biscuit.

Example sentences:
a. Chocolate chip cookies are my favorite.
b. I love chocolate chip cookies.

You can use either "chocolate chip cookies" or "cookies with chocolate chips".
Example sentences"
I really enjoy chocolate chip cookies.
I really enjoy cookies with chocolate chips.

Native speakers will say like this: “I baked some chocolate chip cookies ”.
There are lots of other ways to say it, but this one is the most accurate and most commonly used.
Here is an example on how to use this in a conversation:
A: What smells so good?
B: I'm baking chocolate chip cookies.

They can be called cookies or biscuits depending on which country you are in. America uses cookies while UK and South Africa most used biscuits.

"Choc chip" or "chocolate chip" Are both referring to the type of cookie/biscuit and explains that they have chunks of chocolate in them.

Choc chip cookies
Chocolate chip cookies.

Cookie' is an American word for biscuit. In the UK we use 'biscuit.' If you wish to resist Americanisms, you use 'biscuit.' However, with chocolate chip biscuits, we sometimes say 'chocolate chip cookies' - probably because there is something quite attractive about the three 'C's being together in the construction.

Although in the UK we don't tend to use the term 'cookie' we use 'biscuit' instead this is one type of biscuit we do tend to call a cookie still
So you would call them 'Chocolate chip cookies' or 'Choc chip cookies'
Choc is short for chocolate