Mattern Sausage, an Orange, Calif., establishment is recalling approximately 72 pounds of tongue and blood sausage because of mislabeling and an undeclared allergen. The product contains hydrolyzed soy protein, which is not declared on the label, the U.S. Department of Agriculture’s Food Safety and Inspection Service (FSIS) announced. Soy is a known allergen.

The product subject to recall includes 4-lb to 8-lb chubs of “Mattern Sausage Tongue And Blood Sausage” Packages bear the establishment number “EST. 7696” inside the USDA mark of inspection on the package label. The product was produced on Sept. 6, 2011, and was shipped to sandwich shops near Orange, Calif.