Portalis Wine Shop and Wine Bar is holding a three-course prix-fixe dinner, with wine pairings extra. On the menu will be Caesar salad with Jermann 2007 Pinot Grigio, and pasta with beef, tomato, and bechamel paired with Carlin de Paolo 2007 Barbera d’Asti Superiore. Dessert is a marsala-touched rice pudding, served alongside Villa Artimino 2005 Vin Santo di Carmignano. A prix fixe dinner on Saturday night, no less, though if you’re sipping the suggested pairings it will be decidedly more than $25.Sat., March 27. $25 plus pairings (as above: $29.50). Call for reservations.Portalis, 5205 Ballard Ave. N.W., 783-2007.