Go Back
+ servings
Slow Cooker Corned Beef and Cabbage with Guinness Mustard on a plate

Slow Cooker Corned Beef and Cabbage Sliders (with Guinness Mustard!)

Course: appetizer or main course, Sandwiches
Cuisine: American, Irish
Prep Time: 10 minutes
Cook Time: 7 hours
Total Time: 7 hours 10 minutes
Servings: 8
Calories: 367kcal
A fun and festive appetizer or meal, perfect for St. Patrick’s Day!
Print Recipe


  • 1 corned beef brisket with spice package
  • 4 cups water
  • 2 tablespoons sugar
  • 2 tablespoons apple cider vinegar
  • 1 cup potatoes diced
  • 1 cup white onion sliced
  • 1/2 cup carrots diced
  • 1/2 cup celery diced
  • 1/2 cup Dijon mustard
  • 2 tablespoons honey mustard
  • 2 tablespoons Guinness or stout beer
  • 1 teaspoon dark brown sugar
  • 8 sweet rolls cut in half to make buns (I used King's Hawaiian)
  • 1 cup prepared coleslaw


  • Place water, sugar, and vinegar in a large slow cooker on high heat. Add brisket and spice packet to mixture. Place potatoes, carrots, onion, and celery on all sides of brisket. Cook on high for 4 hours.
  • Whisk together both mustards, Guinness, and brown sugar. Set aside.
  • When brisket is fully cooked, slice into 1/4 inch slices.
  • Stack 3-4 brisket slices on bottom half of bun, topped with coleslaw. Spread mustard on top part of bun to complete your slider. Serve with the veggie mixture. Enjoy!


Calories: 367kcal | Carbohydrates: 26g | Protein: 21g | Fat: 19g | Saturated Fat: 6g | Cholesterol: 70mg | Sodium: 1651mg | Potassium: 550mg | Fiber: 2g | Sugar: 9g | Vitamin A: 1385IU | Vitamin C: 38.9mg | Calcium: 42mg | Iron: 3.1mg