Slow Cooker Beer Bratwurst with Onions & Peppers

There’s nothing quite like coming home to the rich, savory aroma of bratwurst simmering in beer and spices. This slow cooker twist on a classic beer garden favorite delivers all the flavor with none of the hassle. Whether you’re from the Midwest or just craving a taste of it, this recipe brings backyard vibes straight to your kitchen.
🍺 A Taste of Wisconsin Tradition
In Wisconsin, bratwurst is more than just a meal—it’s a ritual. Summer weekends meant smoky grills, cold beer, and laughter echoing through the backyard. This slow cooker version captures that spirit, making it easy to enjoy those nostalgic flavors any day of the week, rain or shine.
🧂 Ingredients
Category | Ingredient | Amount |
---|---|---|
Base | Fresh bratwurst sausages | 6 |
Sweet onions, sliced into half-moons | 2 large | |
Bell peppers (mixed colors), sliced | 3 | |
Garlic, minced | 3 cloves | |
Beer (German lager preferred) | 1 bottle (12 oz) | |
Brown sugar | 1 tablespoon | |
Seasoning Mix | Kosher salt | 1 teaspoon |
Black pepper | 1 teaspoon | |
Paprika | 1 teaspoon | |
Caraway seeds (optional) | ½ teaspoon | |
Crushed red pepper (optional) | ¼ teaspoon | |
For Serving | Hoagie rolls or pretzel buns, toasted | As needed |
Whole grain mustard | To taste | |
Sauerkraut | To taste | |
Additional caramelized onions | Optional | |
Fresh parsley | For garnish |
🍽️ Instructions
- Layer sliced onions and bell peppers in the bottom of a 6-quart slow cooker.
- In a small bowl, mix all seasoning ingredients.
- Place bratwursts on top of the vegetables.
- Sprinkle seasoning mix and brown sugar evenly over the sausages.
- Add minced garlic.
- Pour beer around the edges of the cooker (avoid pouring directly over the brats).
- Cover and cook:
- LOW for 6–8 hours
- HIGH for 3–4 hours
- Ensure brats reach an internal temperature of 165°F.
- Let rest for 5 minutes before serving.
- Serve on toasted rolls with cooked vegetables and your favorite toppings.