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brats cooked in beer and onions on a yellow platter

Best Slow Cooker Beer Brats with Onions Recipe

My family is from Wisconsin. Wisconsin is known for their love of cheese, beer, and brats. In this recipe, I am sharing with you tips on how to make the best slow cooker beer brats with onions recipe you'll ever have.
Course Entree, Main Course
Cuisine American
Prep Time 15 minutes
Cook Time 6 hours
Total Time 6 hours 15 minutes
Servings 12
Calories 292kcal


  • 4 onions
  • ¼ cup butter
  • 2 local beers
  • 12 brats
  • ½ cup sweet barbecue sauce
  • ¼ cup Dijon mustard
  • 1 teaspoon hot sauce


  • Slice 4 onions into thick rings.
  • Sauté onions in ¼ cup butter until softened, but not completely cooked. Do not caramelize.
  • In a mixing bowl, combine ½ cup barbecue sauce, ¼ cup Dijon mustard, and 1 teaspoon hot sauce. Mix well.
  • Add onions to slow cooker. Pour barbecue sauce mixture over onions and mix well.
  • Grill 12 Brats about 3 minutes on each side to crisp the outer skin.
  • Add Brats to Crockpot. Pour 2 beer over onions and brats. Cook in Crockpot 6 to 7 hours on low.
    step by step process images on how to make slow cooker beer brats



Tip: If you do not want to use a grill, you can crisp the outer skin of the brats on a cast iron pan or skillet. Cook 3 minutes on each side.


Calories: 292kcal | Carbohydrates: 10g | Protein: 9g | Fat: 23g | Saturated Fat: 9g | Cholesterol: 59mg | Sodium: 785mg | Potassium: 318mg | Fiber: 0g | Sugar: 5g | Vitamin A: 145IU | Vitamin C: 3.1mg | Calcium: 35mg | Iron: 0.6mg