Celebrate Pi Day with this number: salted almond custard with caramel and blood oranges. Photo by Three Babes Bakeshop.

Downtown folks: ~SPICE KIT~ is now serving breakfast Mon-Fri 6:30am-10am. The menu includes steamed buns with Hobb’s bacon and spicy eggs, holla. 405 Howard St. at 1st St., 415-882-4581.

In honor of Pi Day this Wednesday March 14th, ~THREE BABES BAKESHOP~ will be selling and delivering pies for $31.41. On the menu: toffee apple, salted almond custard with caramel and blood oranges, salty honey walnut, vanilla sugar buttermilk, and the off-the-menu chocolate pumpkin (they’ve had requests for it, so they’re doing it!). Email to order.

Did you know Wednesday is Pozole Day at ~MIJITA~? Perfect lousy weather for you to track it down this week; it’s quite popular, so come early before they sell out.

On Thursday March 15th, ~BELCAMPO MEAT CO.~ is hosting a Meat Up lunch, featuring beef chile verde topped with pickled vegetables and bacon cream, served with warm and handmade corn tortillas. A full selection of Blue Bottle Coffees and cookies will also be available. 12pm-2:30pm. Belcampo will be opening a modern-day butcher shop in July 2012, working with whole animals; all meats served will come directly from their farm in Shasta Valley and are 100% grass-fed. Blue Bottle Coffee, Jack London Square, 300 Webster St. at 3rd St., Oakland.

Quick update on ~THE WINDOW~ in SoMa: the March calendar is filling up with all kinds of street food vendors, so check out the latest online calendar and follow @TheWindowSF on Twitter for more. 1599 Howard St. at 12th St.

Switcheroo on Ritch Street: ~CENTO~ moved into John Whitmarsh Art Studios next door at 336/372 Ritch Street, and Little Skillet expanded into Cento’s old space (360 Ritch). Swing by for Cento Wednesdays, when the staff will prepare either a coffee or baked surprise for some “afternoon delight.”

A tablehopper tipster let me know about the ~SFDELIGHTS~ dessert truck, parking at 16th and Mission in the lot next to the Wells Fargo. Dessert items include crumble tea tart, Thai coffee tiramisu, and more.

According to this post on Hayeswire, ~GOURMET & MORE~ in Hayes Valley, otherwise known as French cheese heaven, is going to be opening its back patio by the end of the month, and is applying to serve beer and wine as well. 141 Gough St. at Lily.

Just this past weekend, ~SWEETWATER MUSIC HALL CAFÉ~ launched weekend brunch from 9am-3pm (featuring a live music Sunday brunch), plus breakfast and lunch (7am-3pm), and dinner (4pm-10pm) during the week in the soft-service café led by chef Gordon Drysdale. 19 Corte Madera Ave. at Lovell, Mill Valley, 415-388-3850.