Annie's Homegrown Inc., a Berkeley, Calif. establishment, is recalling an undetermined amount of frozen pizzas that may be contaminated with extraneous materials and are the subject of a Food and Drug Administration (FDA) recall, the U.S. Department of Agriculture's Food Safety and Inspection Service (FSIS) announced.

All varieties of "Annie's Homegrown RISING CRUST FROZEN PIZZA" with a "Best By" date including and between "09Jan13" and "14Sep13" are affected. The following products are subject to USDA recall: [View Label]

• 23.6-oz. Organic Pepperoni Pizza, UPC code 0 13562 20000 9
• 25.4-oz. Organic Supreme Pizza, UPC code 0 13562 20002 3
• 22.6-oz. Pepperoni Pizza, UPC code 0 13562 20006 1
• 23.1-oz. BBQ Recipe Chicken Pizza, UPC code 0 13562 20009 2

Each product package above has an establishment number of "EST. 5699", "EST. 15815B", "P-5699" or "P-15815B" ink jetted on the upper flap of carton's side panel.

In addition, the following products are subject to FDA recall:

• 23.5-oz. Organic Four Cheese Pizza, UPC code 0 13562 20001 6
• 22.5-oz. Four Cheese Pizza, UPC code 0 13562 20007 8
• 25-oz. Organic Spinach and Mushroom Pizza, UPC code 0 13562 20005 4

The products were manufactured at two facilities from May 9, 2012 to Jan. 17, 2013, and shipped to retail establishments across the United States.

The problem was discovered when metal fragments were visually detected in the flour and pizza dough at a third-party crust production facility. The problem was traced back to a defective metal mesh screen at a third party flour mill. Some wire fragments are too small to be detected by standard industry metal detectors, so it may be possible for fragments to become lodged in a finished pizza. FSIS, FDA and the company have received no reports of injury associated with consumption of these products.

Source: FSIS