• Back Bay: Mass Ave has a new fondue spot called, shockingly, Mass Ave. There’s fondue, of course, but also Kobe beef sliders and rabbit paella. [UrbanDaddy]
• Inman Square: Lush Turkish eatery Bosphorus has opened. The 98-seater serves, among other things, hummus, doner kebabs, and beer. [UrbanDaddy]
• Davis Square: Dine like an Aesir god on Saturday at Once in Valhalla, a “ten-course locavore feast” pop-up complete with mead, meat, and viking hats. [Arts at the Armory]
• Union Square: We like the sounds of this: Ginger Explosion 2 happens next Wednesday at P.A.’s Lounge. Nibble ginger-based dishes from Bambara, Garden at the Cellar, KO Prime, Petit Robert Bistro, and Ronnarong Thai Tapas. [Boston Restaurant Talk]
• Downtown Crossing: Locke-Ober will shut down until early March for a makeover and reopen with a face-lifted lounge, with Locke-Ober Co. President David Ray taking control of business ops. [Herald]
• Government Center: Four Green Fields, an authentic Irish restaurant and pub (thatched roof and everything), is poised to open in the One Boston Place tower as early as next week. [Globe]
• Faneuil Hall: Belgian street-foodery Saus hopes to open in early February. [Feast]
• Downtown: KO Prime launches Nose to Tail Night, in which a whole pig will be butchered and fashioned into inventive specials on Thursday evenings; toes, tails, and ears available upon request. [Grub Street]
• Back Bay: Apparently, the Mandarin Oriental Spa is the place to power lunch. [Herald]
• Financial District: Aristo Cafe has been dethroned; the closed cafe served soups and sandwiches. [Boston Restaurant Talk]
• North End: Bricco will serve until 2 a.m. [Grub Street]