In his famous classical conditioning experiment, Ivan Pavlov proved that it’s physically impossible for a Russian scientist’s mouth not to water when it says the word “mariscos.” Moisten your own comestible receptacle with today’s Groupon: for $20, you get $40 worth of authentic Peruvian fare at Quechua in Norwalk.

Quechua takes its name and its flavors from the Andes region of Peru, garnering a feature in the New York Times for its menu of traditional fare and signature dishes. Sample authentic delicacies with pescado sudado, a steamed fish fillet seasoned with Andean herbs ($15), or one of the six types of ceviche seafood dishes ($15–$17). For a full-fledged spread of meat-based bliss, try the parrillada Quechua, a mixed-grill platter of short rib, skirt steak, and chicken with chimichurri sauce and a choice of two sides, such as yuca frita and baked sweet potato ($38). Catering to herbivores and herbivoyeurs alike, the culinary captains at Quechua dish up vegetarian entrées such as salteado de vegetales, a plate of mixed veggies sautéed in olive oil and soy sauce and served with white rice ($10).