Plochman's Beer Mustard. 100% natural. Made with 45% Killian's Irish red. Killian's Irish red. 1864. We make Plochman's beer mustard in small batches, loaded with George Killian's Irish Red right from the keg. In fact, it contains 45% Killian's - a costly but flavorful embellishment. Refined enough for prime rib, it's not too fancy to pair with hot dogs or bratwurst. Questions or comments Call 800-843-4566. Visit our web site @ www.plochman.com. Plochman, Inc. 2006 Coors Global Properties, Inc. The Killian's trademark is owned by Brasseries Pelforth, S.A. and is used under license by Plochman, Inc.