Does anyone here work in a restaurant, i have a question?

Anything that can be pre-portioned and bagged when the order is taken might be a good start. Things like butter, sour cream, dressings, etc. can be put into containers and capped as part of the daily prep. Have the person taking the order put all of those condiments and sides in a small bag that's included in the larger bag.

That'll help the person that's prepping the to-go food to concentrate on getting all the ordered items correct.