Cookbook Club – Wednesday, March 13 (Fee: $75 per person; includes cooking class book with signed bookplate and 10% discount after the class) Nigellissima, like the Italian cooking from which it takes its inspiration, is a celebration of food that is fresh, delicious, and unpretentious. Here Nigella Lawson serves up straightforward and mouthwatering recipes that are quick and easy yet elevate weeknight meals into…