 The reaction against the product has also been partially credited to Bettina Siegel 's Change.org petition that has landed over a quarter million signatures to ban it in school lunches . After some parents and consumer advocates insisted the product be removed from public schools , the USDA indicated , beginning in fall 2012 , that it would give school districts the choice between ground beef with or without LFTB . CBS News reported that Chicago Public schools may have served ' Pink Slime ' in school lunches . 
