Here’s a wild fact: brats need to rest for 5 minutes after cooking, just like a steak. If you cut into them immediately, all those tasty juices will run away to your cutting board, leaving you with a dry, sad tube of meat. Cover them loosely with foil and resist the urge to bite them. Use this time to toast your buns—because cold bread is a crime against brat-kind.
How to Cook Frozen Brats in the Oven? - Chef's Resource
Slather on mustard, maybe some sauerkraut, and never ketchup (that’s a Chicago rule, and we’re all about rules). The first bite will be a symphony of snap, spice, and satisfaction. You’ll feel like a culinary wizard, even though you just followed three easy steps.