Chocolate Peanut Butter Mousse @ GT Fish & Oyster By Penny Pollack September 2, 2011, 11:27 am Nothing tops off a meal of oysters and lobster roll @ GT Fish & Oyster quite like chocolate/peanut butter mousse with caramel and berry coulis. GT FISH & OYSTER: 531 N WELLS; 312-929-3501 Tags: What Penny Eats