YOU SAID:
a good cook who could cook as many cookies as a good cook who could cook cookies
INTO JAPANESE
クッキーを作ることができる優れた料理人は、クッキーを作ることができる優れた料理人と同じくらい多くのクッキーを作ることができる優れた料理人
BACK INTO ENGLISH
A good cook who can make cookies is a good cook who can make as many cookies as a good cook who can make cookies
INTO JAPANESE
クッキーを作ることができる優れた料理人は、クッキーを作ることができる優れた料理人と同じくらい多くのクッキーを作ることができる優れた料理人です
BACK INTO ENGLISH
A good cook who can make cookies is a good cook who can make as many cookies as a good cook who can make cookies
That didn't even make that much sense in English.