Beer brats simmered with a skillet full of onions are the easiest way to bring Wurstfest week home: one pan, about 45 minutes, and the onions turn into a jammy topping while the sausages cook through. Wurstfest runs Nov. 6–15, 2026 in New Braunfels, so this is the week to make them.
Photo: AI illustration.
Prep: 10 minutes · Cook: 35 minutes · Serves: 5
Why sear first, then simmer in beer
Fresh bratwurst is raw pork sausage, so it has to cook all the way through. Browning the links first gives the casings color and leaves browned bits in the pan. Those bits dissolve into the beer and onions, and the gentle simmer that follows cooks the centers without splitting the casings. A final minute back on high heat re-crisps the outside after the simmer softens it.
The finish line is temperature, not time. FoodSafety.gov lists 160°F as the safe minimum internal temperature for ground meat and sausage, so check the center of the thickest link with an instant-read thermometer before you serve.
Which brats and which beer to buy
- Brats: use fresh (uncooked) bratwurst from the meat case or a butcher, not the fully cooked kind. Fully cooked brats only need warming, so cut the simmer to about 5 minutes.
- Beer: a lager or a malty Märzen/Oktoberfest-style beer works best. Very hoppy IPAs turn bitter as they reduce. For an alcohol-free version, use a non-alcoholic beer or low-sodium chicken broth plus 1 teaspoon of cider vinegar.
- Onions: yellow onions get sweeter as they cook; sweet onions work too and brown a little faster.
Ingredients
- 1 tablespoon vegetable oil
- 5 fresh (uncooked) bratwurst links, about 1¼ pounds
- 1 tablespoon butter
- 2 large yellow onions, halved and thinly sliced
- ½ teaspoon kosher salt
- 1 teaspoon brown sugar (optional, for deeper color on the onions)
- 2 garlic cloves, minced
- ½ teaspoon caraway seeds (optional)
- 1 (12-ounce) bottle or can lager or Märzen-style beer
- 1 tablespoon spicy brown or whole-grain mustard, plus more for serving
- Freshly ground black pepper
- 5 brat buns, hoagie rolls or pretzel buns
Instructions
- Brown the brats. Heat the oil in a 12-inch skillet over medium heat. Add the brats and cook 6–8 minutes, turning every couple of minutes, until browned on all sides. Do not poke them with a fork; that lets the juices run out. Move them to a plate. They will still be raw in the middle.
- Cook the onions. Add the butter, onions, salt and brown sugar to the same pan. Cook 10–12 minutes, stirring often and scraping up the browned bits, until the onions are soft and golden.
- Add the flavorings. Stir in the garlic and caraway seeds and cook 30 seconds, until fragrant.
- Simmer. Pour in the beer and stir in the mustard. Bring to a simmer, nestle the brats into the onions, cover and turn the heat to medium-low. Simmer 12–15 minutes, turning the brats once, until an instant-read thermometer in the center of a brat reads 160°F.
- Reduce the onions. Move the brats back to the plate. Turn the heat to medium-high and boil the onions uncovered 4–6 minutes, stirring, until the liquid is thick and syrupy. Season with pepper and more salt if needed.
- Re-crisp and serve. For snappier casings, sear the brats in a hot dry skillet or on a grill pan for 1–2 minutes. Toast the buns cut-side down if you like, then tuck in the brats and pile the beer onions on top with extra mustard.
Serve it Wurstfest style
According to Visit New Braunfels, the festival grew out of a one-day sausage event organized in 1961, when New Braunfels had 19 commercial sausage-making businesses, and today the vendor booths serve bratwurst, currywurst, schnitzel, giant pretzels and potato pancakes. At home, set out brats with a couple of those sides: soft pretzels, sauerkraut, a warm potato dish or our campfire baked potatoes. If you are heading to the grounds instead, our Wurstfest 2026 food guide covers what to eat, ticket prices and hours.
Make-ahead, swaps and leftovers
- Make ahead: cook the onions (steps 2–3) up to a day ahead and refrigerate. Rewarm them in the skillet, add the beer and go on from step 4.
- Grill finish: simmer the brats on the stove, then finish them over medium-high heat on the grill for 1–2 minutes per side.
- Feeding a crowd: double the recipe in a wide Dutch oven, browning the brats in batches so they don’t steam.
- Leftovers: refrigerate the brats and onions together in a covered container, and reheat in a covered skillet with a splash of water until hot all the way through.
