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Dinner · Part 1 of 3: Ingredients

Slow Cooker Beer and Mustard Glazed Bratwurst

A slow cooker filled with bratwurst links, sliced onions, and a rich beer and mustard glaze on a speckled countertop.
Prep
Cook
Total
Serves
6
Includes 5 min resting

Elevate your weeknight dinner with this effortless slow cooker bratwurst recipe that delivers bold, savory flavors with minimal prep time. By combining beer, tangy mustard, and sweet onions, you create a rich glaze that makes every bite of sausage incredibly tender and delicious for any occasion.

This recipe takes the complexity out of cooking sausages by utilizing the gentle, consistent heat of a slow cooker. The combination of amber beer and mustard creates a sophisticated, savory base that infuses the bratwurst with deep flavor while the onions soften into a sweet, caramelized topping.

It is an ideal solution for busy days when a hot, satisfying meal is needed without spending hours in the kitchen. Simply layer the ingredients, set the timer, and return to a finished dish that tastes like it has been simmering all day long.

Ingredients

Makes 6 servings · serves 6
  • 6 bratwurst links
  • 2 cups sweet onions, sliced
  • 2 tbsp brown sugar
  • 1 cup amber beer
  • 2 tbsp mustard
Contains: gluten, mustard

Why this recipe works

The slow cooking method works by breaking down the fibrous structures in the sausage meat at a low temperature, which keeps the links succulent rather than drying them out. This process allows the savory mustard and amber beer to be absorbed into the meat, creating a balanced and flavorful profile that is much more complex than simply pan-frying the sausages.

By layering the onions on top of the sausages, they are steamed in the beer and mustard vapor as the liquid heats up. This ensures the onions reach a perfectly tender consistency while simultaneously releasing their natural sugars to complement the brown sugar.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

The result is a cohesive dish where the glaze ties the distinct elements of meat, onion, and sauce into one harmonious experience.

Notes and substitutions

For the best results, use a high-quality bratwurst that is fresh and well-seasoned. The choice of beer can significantly alter the final flavor profile; an amber beer provides a nice maltiness, while a lighter lager will offer a cleaner, crisper taste.

Ensure that the mustard is fully incorporated into the beer before pouring to prevent any clumping of the ingredients in the slow cooker.

When it comes to equipment, a standard oval slow cooker is ideal for arranging the sausages in a single layer. If a smaller slow cooker is used, the sausages may need to be stacked, which can slightly increase the cooking time.

Always verify the internal temperature with a meat thermometer to ensure the sausages are cooked safely, as slow cookers can vary in their intensity and heat distribution.

  • amber beer: Use beef broth or a non-alcoholic beer for an alcohol-free version that maintains the savory liquid base.
  • sweet onions: Yellow or white onions work well if sweet onions are unavailable, providing a similar texture and depth of flavor.

Equipment

  • Slow cooker
  • Glass measuring cup
  • Knife
  • Cutting board

Coming up in Part 2: the method

  1. Layering the ingredients · 1 stepLayering the ingredients
  2. Adding seasonings and liquid · 1 stepAdding seasonings and liquid
  3. Slow cooking to completion · 1 stepSlow cooking to completion

Up next · Part 2 of 3

3 steps · 4 h of cooking · what to look for at each stage

Step-by-step instructions (Part 2)