where you choose from foods

Hello everyone,
I’m reading a dictionary entry.

Longman Dictionary of Contemporary English
cafeteria
caf·e·te·ri·a /ˌkæfɪˈtɪəriə US -ˈtɪr-/ n [C]
[Date: 1800-1900; Language: American Spanish; Origin: ‘coffee shop’, from Spanish café ‘coffee’]
a restaurant, often in a factory, college etc, where you choose from foods that have already been cooked and carry your own food to a table

I don’t understand the structure and meaning of ‘where you choose from foods’. I think that it should be ‘…from where you choose foods…’
Am I correct?
Thank you.

You are not correct because you are giving the sentence the wrong phrasing. Hopefully this phrasing will clarify:

Where you choose / from (a selection of) foods / that have already been cooked…

Simpler really if you omit ‘from’ - where you choose …

Simpler, but I think that changes the meaning.