I am guessing you are not looking for Fast food but Hamden does have basically everything for that (McDonalds, Burger King, Wendy's, subway, Popeye's, KFC, Panera, DiBellas, Dominos, Moe's, Chipolte) I'm sure I missed some.
Glenwood is a good drive in for burgers/hot dogs/ Fried Seafood, Fries...