I'm going to shout out Big Slice.
Place used to be a bit of a shit hole but they got new ownership a bit over a year ago and it's solid now. Their calzone is one of my favorites and it's pretty huge and cheap.
Not my top choice, but all of my other choices have already been listed.
Just off the top of my head…
Mexican - Taqueria Los Gueros (N Anaheim but best tacos, burritos you name it I’ve ever had and definitely worth the short drive), El Camino Real, Birria Guadalajara (again, n Anaheim but not too far)
Korean/fusion - J’s Cuisine in downtown, Sup Noodle (incredible pho…