Oktoberfest Sausage Recipe with Beer-Braised Onions

This Oktoberfest sausage recipe pairs browned pork bratwurst with soft onions simmered in lager, plus tangy sauerkraut warmed in the same skillet. It is a German-inspired, hearty meal for autumn gatherings; sausage styles and accompaniments vary across regions and families, so this is one practical version rather than a single definitive recipe.

Ingredients

6 raw pork bratwurst links, about 2 lb (900 g) total
1 tbsp (15 ml) neutral oil, such as canola oil
2 large yellow onions, about 1 lb (450 g), thinly sliced
1/2 tsp (3 g) kosher salt
1/4 tsp (0.5 g) freshly ground black pepper
12 fl oz (355 ml, or 1 1/2 cups) German-style lager or another light lager
1/2 cup (120 ml) low-sodium chicken broth
1 tbsp (15 g) whole-grain mustard
1 tsp (2 g) caraway seeds, optional
2 cups (450 g) sauerkraut, drained; rinse it briefly if you prefer a milder tang
1 tsp (4 g) brown sugar, optional, to soften the sauerkraut’s sharpness
2 tbsp (8 g) chopped fresh parsley, optional, for serving

Instructions

Prepare the ingredients. Thinly slice the onions, measure the beer and broth, and drain the sauerkraut. If the links are connected, separate them without piercing the casings. Pat the bratwurst dry so it browns more readily. Keep raw sausage and its packaging away from ready-to-eat ingredients, and wash your hands and work surface after handling it.
Brown the bratwurst. Set a large, heavy skillet or Dutch oven over medium heat and add the oil. Once it shimmers, arrange the sausages in one layer. Cook for about 8 minutes, turning every couple of minutes, until browned on several sides. They do not need to be fully cooked yet. Transfer them to a clean plate; leave the flavorful drippings in the pan.
Soften the onions. Add the sliced onions to the skillet, scraping up browned bits as they release moisture. Sprinkle in the salt and pepper. Cook for about 10 minutes, stirring regularly, until the onions are soft and beginning to turn golden. If the pan gets dry or the onions start sticking, lower the heat and add a tablespoon of broth rather than letting them scorch.
Make the beer-braising liquid. Stir in the caraway, if using, and cook for 30 seconds to release its aroma. Pour in the lager and broth, then whisk in the mustard and optional brown sugar. Bring the liquid to a gentle simmer. A vigorous boil can reduce the liquid too quickly and make the onions stick.
Braise the sausages. Nestle the browned bratwurst back into the skillet and turn each link once so it is coated with the liquid. Cover and simmer gently for 15 minutes, turning the links halfway through. Check the thickest sausage with a food thermometer without touching the pan: USDA FSIS lists 160°F (71°C) as the safe minimum internal temperature for ground meat, including sausage. If a link has not reached that temperature, continue simmering and check again after a few minutes.
Warm the sauerkraut. During the final 5 minutes of braising, tuck the drained sauerkraut around the links. Cover the pan again and let the kraut heat through without stirring it into the onions too aggressively. Taste a little of the cooking liquid and adjust with a pinch of salt or pepper if needed. The sauerkraut should be warm and pleasantly tangy, not mushy.
Finish and serve. Remove the pan from the heat once all the sausages have reached 160°F (71°C). Spoon the onions and sauerkraut around the links, then scatter parsley over the top if you like. Serve hot with some of the beer-onion liquid spooned over each portion.

Tips

Choose raw bratwurst for this timing. The recipe’s browning and braising times are written for raw pork links. If your package says the sausage is fully cooked, you can still brown it for flavor, but shorten the covered simmer and use a thermometer to check that it is heated through; do not assume the raw-sausage timing will suit every product.
Keep the heat gentle. A steady simmer cooks the links without splitting their casings or rapidly evaporating the beer. If the liquid boils hard, lower the burner. A split casing is not a food-safety problem, but it can let juices escape and leave the sausage drier.
Adjust the sauerkraut to your taste. Draining preserves its character while keeping the skillet from becoming overly wet. Rinsing briefly under cool water tones down the acidity and saltiness. Drain it well either way, and taste before adding extra salt because both bratwurst and kraut can already be seasoned.
Use a thermometer, not color alone. Browning tells you the surface is seared, not that the center is safely cooked. Insert an instant-read thermometer into the center of a link from the side, especially if the sausages vary in thickness, and return any under-temperature links to the simmering pan.

Serving Suggestions

Serve one bratwurst per person with generous onions, sauerkraut, and a spoonful of the savory pan liquid. Soft pretzels, crusty rye bread, or sturdy rolls are useful for catching the sauce. For a more substantial plate, add warm German-style potato salad, boiled potatoes tossed with parsley, or a simple cucumber salad. Roasted cabbage or green beans also make a good vegetable side without competing with the rich sausage.

Set out whole-grain or Dijon mustard so everyone can add the amount they prefer. A small bowl of extra sauerkraut adds a sharper contrast, while pickles bring another crisp, tart element. If serving a group, keep the skillet covered over very low heat only briefly; prolonged holding can overcook the sausage and reduce the sauce. Transfer food to a warm serving dish instead if dinner will be delayed.

Variations

Make it alcohol-free: Replace the lager with an equal amount of chicken broth and add 1 teaspoon (5 ml) apple cider vinegar for a little brightness. The result will be less malty than the beer version, but the onions and mustard still make a flavorful braising liquid. Nonalcoholic lager is another option; choose one with a mild flavor and use the same quantity.

Change the sausage: Bratwurst is a convenient choice, but other raw pork sausages can work if they are similar in size. Their seasoning may change the flavor, and the safe internal temperature still applies to ground-meat sausage. Chicken or turkey sausage can be substituted, but check the package and cook poultry sausage to 165°F (74°C), the USDA FSIS safe minimum for poultry.

Add apples or mushrooms: For a sweeter, autumnal variation, cook one sliced apple, about 6 oz (170 g), with the onions for the last 4 minutes of their cooking time. For a more savory skillet, cook 8 oz (225 g) sliced mushrooms with the onions, allowing their released moisture to evaporate before adding the beer. Either addition changes the balance of the sauce slightly, so taste before serving.

Make it less tangy or more aromatic: Rinse and thoroughly drain the sauerkraut for a gentler flavor, or leave it unrinsed for more bite. Caraway gives the dish a distinctive warm, anise-like note, but it is optional. If you do not enjoy caraway, omit it rather than increasing the mustard; the onions and lager provide plenty of character on their own.

Storage and Reheating

Refrigerate leftovers within 2 hours of cooking. Store the bratwurst, onions, sauerkraut, and sauce together in a covered airtight container for 3–4 days. For longer storage, freeze in a freezer-safe container for up to 2–3 months for best quality; thaw overnight in the refrigerator. The texture of sauerkraut may soften after freezing, but it remains suitable to serve once reheated.

Reheat portions in a covered skillet over medium-low heat with a splash of broth or water until steaming hot, turning the sausages so they warm evenly. You can also microwave a portion in a covered microwave-safe dish, stirring the onions and kraut partway through. USDA FSIS recommends reheating leftovers to 165°F (74°C); check the center of a sausage with a food thermometer. Avoid repeated cycles of cooling and reheating: warm only the amount you plan to eat.

Frequently Asked Questions

Can I make this Oktoberfest sausage recipe with cooked bratwurst?
Yes. Brown fully cooked links briefly for color, then warm them in the beer and onion mixture rather than automatically simmering them for the full raw-sausage time. Follow the package directions, and heat the sausage thoroughly. Raw bratwurst needs to reach 160°F (71°C); poultry sausage needs to reach 165°F (74°C).

What beer works best for beer-braised onions?
A light German-style lager is a balanced choice because it adds a mild malty flavor without overwhelming the sausage. A pilsner or another crisp lager also works. Avoid very bitter beer if you do not want that bitterness concentrated in the sauce. For a nonalcoholic version, use broth with a little apple cider vinegar or a mild nonalcoholic lager.

Can I prepare the onions ahead?
You can slice the onions up to a day ahead and refrigerate them in a covered container. You can also cook the complete dish in advance, cool it promptly, and refrigerate it; reheat to 165°F (74°C) before serving. The onions may become softer after reheating, so keep the heat gentle and add a splash of broth if the sauce has thickened.

Why did my bratwurst split?
Links often split when the pan is too hot, the braising liquid boils vigorously, or they are pierced before cooking. Use moderate heat, turn the links with tongs, and maintain a gentle simmer under the lid. A split sausage is still usable if cooked safely, though it may be less juicy.

What can I use instead of sauerkraut?
For a similar tart note, serve the bratwurst with drained pickled cabbage or a vinegar-dressed cabbage slaw on the side. Fresh cabbage cooked with the onions is a milder alternative, but it will not have sauerkraut’s fermented tang. Add fresh cabbage early enough to soften, and keep the mustard available at the table for extra sharpness.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).