When Marika Seguso teamed up with her mother-in-law to create the menu here, it wasn't an unusual task. Almost two years ago, she and partners Adam Sikora, Yolanda Garretti and Frank Minieri founded Acquolina (212-994-9300), a catering business in New York City with such fashionable clients as Giorgio Armani and Dolce & Gabbana. Her recipes won over the F&W staffunanimouslybecause they're delicious yet unbelievably easy.