January 19, 2010 No Comments Free Mojo Potatoes at Shakey’s Restaurants Free Mojo Potatoes at Shakey’s Restaurants Answer the trivia question and they’ll email you a coupon for one FREE order of their famous Mojo® Potatoes, redeemable at participating Southern California Shakey’s locations. Expires 1/22/10. Free Mojo Potatoes at Shakey’s Restaurants – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.