SAN FRANCISCO — Stone-Buhr, a 100-year-old wheat flour brand based in the Pacific Northwest, is giving away up to 100,000 lbs of flour in 2011 through a new “All Purpose with a Purpose” initiative. According to the company, every purchase of Stone-Buhr flour will trigger a flour donation to partner food banks located in Oregon, Washington and Northern California.

“As 2010 came to a close, I was really impacted by reports on the rise in the use of food stamps, and the number of people who go hungry in our country,” said Josh Dorf, chief executive officer of Stone-Buhr. “We’ve always donated flour on request, but the donations didn’t have a focus or involve our customers in a meaningful way. Stone-Buhr’s All Purpose with a Purpose initiative will do just that.”

Stone-Buhr kicked off the All Purpose with a Purpose program by donating an initial 10,000 lbs of flour to Oregon Food Bank, Northwest Harvest and Second Harvest in Washington, and San Francisco Food Bank. Donations will be tracked on Stone-Buhr’s web site and on the company’s Facebook page.

“We are grateful for Stone-Buhr’s commitment to support the fight against hunger,” said Stacy Newman, San Francisco Food Bank media manager. “This donation of a staple like flour allows us to provide our clients with a common and much needed ingredient.”