For New Yorkers who dare, the “Mustard Mobile” — a bus custom-designed for the special occasion — will be stationed at Hudson River Park from 11 a.m. to 3 p.m. on Saturday, Aug. 5. 5 ...

In honor of National Mustard Day. French’s will be hitting the road in a bright yellow vintage bus nicknamed the Mustard Mobile as it works its way up to Atlanta, Washington D.C. and New York ...

They’ll produce the piquant treat for National Mustard Day on August 5. And while most people will have to enter nationwide sweepstakes to sample the candied condiment, locals will get to try free ...