"K.L. Keller's Dijon Black Truffle Mustard wowed the judges with its earthy aromatic spin on the classic Dijon to be named the Grand Champion at World-Wide Mustard Competition at the Napa Valley Mustard Festival.
Barry Levenson, Curator of the Mount Horeb Mustard Museum in Mount Horeb, Wis., oversaw the competition. Regarding Keller's mustard, Levenson said the judges participating in the blind tasting "went wild for it. It was a mustard they just wanted to smell." "