Conundrum, Harvard Square’s most recent fine dining addition, invites diners to go bananas during the month of August with a complimentary dessert from pastry chef Jennifer Pearson. Guests who enjoy an appetizer and an entree from chef Eric Wernsing will be offered Pearson’s signature dessert, Bananas Conundrum, on the house. Call 617.868.0335 to make reservations Monday through Saturday nights and be sure to save room for chocolate crepes stuffed with sautéed bananas, chocolate ice cream and toasted marshmallow.