What sounds happen at the donut shop? Perhaps they play Muzak. The sound designer would be wise to sit and enjoy a donut as well. Quietly. Just listen for a while. how does a donut shop make regular things sound? Crispy Cream makes their donuts in the shop. What does the machine sound like?
So, you don't have a sound effects library? You don't have time to deal with burning a show CD? Do you have $100 in the budget to have a pro do all the work for you? Design By Wire! Check this place out. They'll do it all for you... Here's an example of a sound cue sheet from them.