Onion Bratwurst from Glenn's Market and Catering are perfect for any occasion and a favorite at tailgating events. These delicious, authentic Onion Bratwurst are classic pork brats filled with pork, granulated onion, and onion flakes providing both taste and color. Choose a 6 lb. or 9 lb. box of frozen Onion Bratwurst. Perfect for a birthday, tailgating, or no occasion at all!