Go Back
+ servings

Slow Cooker Beer Brats and Caramelized Onions

Slow Cooker Beer Brats with Caramelized Onions are a fantastic way to feed a crowd! Plump and Juicy Bratwursts, slowly cooking in a tangy beer marinade creates an aroma of summer that your guests won't be able to resist!
Prep Time10 mins
Cook Time7 hrs
Course: dinner
Cuisine: American
Keyword: Carmelized Onions, Slow Cooker, Slow Cooker Brats, Slow Cooker Brats and Carmelized Onions
Servings: 12
Calories: 314kcal
Author: Amanda Rettke


  • small yellow onions
  • ¼  cup  butter
  • 2 (12 ounce) IPA beers
  • 12  brats
  • ¼  cup  dijon mustard
  • 1/4  cup  ketchup
  • 1 tablespoon  apple cider vinegar
  • 1 tablespoon packed brown sugar
  • teaspoon  honey
  • teaspoon  Worcestershire sauce
  • teaspoon  lemon juice
  • 1/4  teaspoon  paprika
  • 1/8  teaspoon  garlic powder
  • 1/8  teaspoons  kosher salt
  • 1/8  teaspoon  pepper
  • 1/4  teaspoon  hot sauce 


  • Slice onions into thick rings.
  • In a medium-sized pan, sauté onions in butter until softened, about 5 minutes. Remove onions from pan and place into the crockpot. Set pan aside, you will use it again.
  • In a mixing bowl, combine Dijon mustard, ketchup, vinegar, brown sugar, honey, Worcestershire, lemon juice, paprika, garlic powder, salt, pepper, and hot sauce. Mix well and set aside.
  • In the same pan you softened the onions in, brown brats over medium heat for 3 minutes on each side (brats will not be fully cooked).
  • Add the sauce and brats to the crockpot (on top of the onions) and stir to combine.
  • Pour beer over the top and cover.
  • Turn the crockpot on low and cook on low 6 to 7 hours.


Serving: 12g | Calories: 314kcal