Oktoberfest Beer Braised Brat Smash Burger with Bavarian Mustard Sauce

Juicy brat patties braised in Oktoberfest beer, topped with Swiss, caramelized onions, and Bavarian mustard sauce on toasted buns. A true Oktoberfest-inspired smash burger recipe.

Prep time: 15 minutes
Cook time: 20 minutes
Total time: 35 minutes
Yield: 4 servings

Ingredients

1 lb ground bratwurst 4 burger buns 1 bottle of Oktoberfest beer 1 onion, thinly sliced 1/4 cup Bavarian mustard 1/4 cup mayonnaise 1 tbsp butter Salt and pepper, to taste 4 slices of Swiss cheese Pickles, for serving

Instructions

Step 1: Preheat skillet over medium-high heat. Form bratwurst into 4 patties and season with salt and pepper.
Step 2: Sear patties for 4–5 minutes per side until browned and cooked through. Remove and set aside.
Step 3: In same skillet, cook sliced onions until caramelized.
Step 4: Pour in Oktoberfest beer, simmer until slightly reduced.
Step 5: Return patties to skillet, braise in beer mixture for 5 minutes.
Step 6: Mix Bavarian mustard and mayonnaise to make sauce.
Step 7: Toast buns with butter until golden.
Step 8: Top patties with Swiss cheese, cover until melted.
Step 9: Assemble burgers with sauce, patty, onions, and pickles.

Notes

For best results, use true Oktoberfest or Märzen beer. Serve fresh for maximum flavor.

Nutrition

Calories: 590
Fat: 32g
Saturated fat: 12g
Sugar: 5g
Sodium: 910mg
Protein: 28g
Carbohydrates: 42g
Fiber: 2g