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Slow Cooker Corned Beef with Honey Mustard Glaze

Course: Dinner, Main Course
Cuisine: American
Prep Time: 15 minutes
Cook Time: 12 hours 45 minutes
Resting Time 15 minutes
Total Time: 13 hours 15 minutes
Servings: 6 servings
Calories: 420kcal

Description

This slow cooker corned beef with honey mustard glaze delivers exceptionally tender, flavorful meat finished with a tangy-sweet oven glaze. The beef is gently cooked low and slow until perfectly tender, then brushed with a balanced mustard, honey, and horseradish glaze and baked for a caramelized finish. Ideal for comforting family dinners or make-ahead meals, this recipe transforms classic corned beef into a rich, savory centerpiece with minimal hands-on effort.

Ingredients

For the Slow Cooker

  • 1 piece corned beef brisket about 3–4 pounds
  • 3 cups water or low-sodium broth

Honey Mustard Glaze

  • 0.25 cup yellow mustard
  • 2 tablespoons honey
  • 1 tablespoon white vinegar
  • 1 teaspoon prepared horseradish
  • 1 teaspoon dried tarragon
  • 0.5 teaspoon salt adjust to taste
  • 0.5 teaspoon black pepper adjust to taste

Instructions

Slow Cooking the Corned Beef

  • Place the corned beef brisket into the slow cooker and add water or broth until it reaches about halfway up the meat.
  • Cover and cook on low heat for 12 hours, or until the beef is very tender and easily pierced with a fork.

Glazing and Finishing

  • Preheat the oven to 400°F (200°C). Remove the cooked corned beef from the slow cooker and place it in an oven-safe baking dish.
  • In a bowl, mix the mustard, honey, vinegar, horseradish, dried tarragon, salt, and black pepper until well combined.
  • Brush the glaze generously over the corned beef, cover the dish with foil, and bake for 45 minutes.
  • Remove from the oven and let the beef rest for 15 minutes before slicing against the grain and serving.

Notes

  • Cooking time may vary slightly depending on the thickness of the brisket.
  • For a deeper glaze flavor, uncover the beef for the last 10 minutes in the oven.