Alleging Wal-Mart Stores Inc. has engaged in a scheme to defraud online shoppers, a New Jersey consumer is taking the company to court for an alleged bait-and-switch involving baking soda.

Plaintiff Roque Hernandez filed a proposed class action on Jan. 12 on his own behalf and dyspeptic customers around the country for what he calls Wal-Mart’s deliberate attempt to mislead shoppers into buying what they think is a bundled package of three, 1-pound boxes of Arm & Hammer Fresh-N-Natural Baking Soda for $2.