Today, October 19

Word on the street is that the highly-anticipated Hayes Valley Biergarten is open for business today. Yippee! As expected from the purveyors at Suppenküche, the drink menu boasts German drafts in the $6-8 range, as well as some bottles and a couple of wine choices. Food options include pretzels (seeds will cost $1 extra), German-style salads (beet, potato) and it wouldn't be a beer garden without brats and sauerkraut. Prost! 424 Octavia (at Fell)

The 2012 Chefs of the Bay Area calendar debuts at 6 p.m. at Macy's Cellar. A few of the pictured chefs will be there along with some of their sweetest treats—including tastes from Kara’s Cupcakes, Humphry Slocombe, and Tout Sweet. All proceeds go to Meals on Wheels of San Francisco. 170 O’Farrell St. (at Stockton)

Thursday, October 20

New startup Sosh, a website that connects people to worthwhile local events, communities and blogs,celebrates its launch with Tacos & Tequila with a Twist. Five chefs, include Namu's Dennis Lee, Chez Spencer's Laurent Katgely and Preeti Mistry (formerly of Juhu Beach Club) each put their own spin on a classic taco. Tres Agaves is pairing the entire menu with tequila cocktails. Yum! Proceeds go to the SF Food Bank. 7-10 pm, 130 Townsend St.

Chef and Prune restaurant owner and writer Gabrielle Hamilton joins New York Times writer Kim Severson to discuss her memoir Blood, Bones and Butter at Herbst Theatre at 8 p.m. Can’t make it to the event? Tune in to City Arts & Lectures on public radio. 401 Van Ness Ave. (at McAllister)

Sunday, October 22

Join the youth-run Old Skool Cafe for their Bayview Blues and BBQ 12 p.m.-5 p.m. Experience garden cooking demos, Chef William Sifferman on the grill, and live music by the Charles Unger Experience and James H. Thornton III Blues Band. 1429 Mendell St. (at Oakdale)