Buffalo's favorite sandwich sauce. Weber's Brand Hot Texan Sandwich Sauce in a 16 Oz jar. It contains Weber's famous horseradish mustard and hot piccalilli relish and is a great addition to your favorite sandwich.  Started at the Broadway Market in 1922 and going strong ever since. Weber's mustards and sauces have been a staple of WNY culture for over 80 years there isn't a home fridge in the area that doesn't have at least one variety.