The restaurant owner's fashion sense was mentioned in one of the online reviews as being a bit stuck in the 80's. She was very friendly and the food was good, however.
Yeah, that top layer is all Sichuan peppercorns.
Probably the closest thing to "fried things with sweet and sour sauce" I've come to in China. Also, you should never trust a Chinese person who claims the fish has no bones. Delicious, tho'.