SALT LAKE CITY--(BUSINESS WIRE)--PROBAR LLC of Salt Lake City, UT has initiated a voluntary recall of its PROBAR Base® Frosted Peanut Butter Bars due to the possible presence of an undeclared milk allergen. People who have an allergy or severe sensitivity to milk run the risk of a serious allergic reaction if they consume this product. No other PROBAR® products are affected. This voluntary recall only involves Frosted Peanut Butter flavored PROBAR Base® Bars in 2.46 oz. packages distributed nat