Went here when I studied at UTSC, down the road pretty much.
Great place for college kids, generally cheap Chinese/Hakka food but pretty tasty. My wife and I come back whenever we're in the area. Our general order has been - crab corn soup, Frederick's delcious crispy chicken balls and two bowls of white rice.
I've ordered the chili chicken (the go to dish) but don't really love it from here. It's decent but I like the taste of their chicken balls better. To let people know, these chicken balls aren't the kind you order from Mandarin or "Chinese take out" but rather pieces of chicken clumped together with dough and deep fried to a crispy finish. Kinda like...pakoras. Always loved crab corn soup so...I'm impartial.
When would you go to Frederick's? Hmmmm, you've just been to a some boring "event" and you're starving. You aren't really feeling clean and fresh, you're not dressed well but want something filling and savory and FAST.