As inviting as a pair of favorite slippers, Britt-Marie’s offers comfort food from many corners of the globe. Partisans of the Portuguese sandwich—garlic-rubbed toast topped with salt cod and potatoes—would revolt if it were to disappear from the menu, as would avid fans of the cucumbers in garlicky sour cream, the roast chicken with herbs, and the pork schnitzel with buttered noodles. Sweet-toothed patrons can top off their meal with desserts like bourbon-pecan tart or chocolate cake with a thin layer of marzipan tucked under the chocolate frosting. no credit cards; checks OK; lunch Tues-Sat, dinner Tues-Sun; beer and wine; no reservations; between Ramona and Carmel sts.