Celebrate a birthday, special event or time with friends with this gourmet dinner for 20 prepared and served in your home by Delicious Dish.  The evening may begin with Ahi tuna poki on potato crisps, offer a shaved fennel and market greens salad with dates and blood orange vinaigrette, feature a miso glazed wild salmon and finish with the sweet tastes of vanilla marshmallow bites dipped in chocolate and topped with fleur de sel. Dinner includes full service with a chef, server, serving dishes, plates, napkins and utensils.   Some holiday restrictions and must be at a San Francisco or Peninsula home on a Friday, Saturday or Sunday evening.