Chipotle to extend tofu test

Chipotle Mexican Grill Inc. has expanded the test of a new tofu-based vegetarian protein called Sofritas to the menu at all 96 of its restaurants in northern California, the company said this week.

The Denver-based fast-casual chain tested the menu item earlier this year in seven San Francisco restaurants. The protein, available for burritos, tacos, bowls or salads, is made with organic, non-genetically modified shredded tofu braised with chipotle chilis, roasted poblanos and sp