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Corned Beef with Mustard Sauce

A tender and flavorful corned beef dish complemented by a tangy mustard sauce, perfect for family dinners and special gatherings.
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Prep Time 15 minutes
Cook Time 4 hours
Total Time 4 hours 15 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: Irish
Calories: 350
Ingredients Method Notes

Ingredients
  

For the Corned Beef
  • 1.5 to 2 kg piece corned silverside
  • 3 leaves bay leaves
  • 2 Tbsp brown sugar
  • 2 Tbsp apple cider vinegar
  • 1 tsp peppercorns
  • 1 large onion, quartered
For the Mustard Sauce
  • 1 egg egg
  • 1.5 Tbsp brown sugar
  • 1 Tbsp flour
  • 2 tsp mustard
  • 2 Tbsp apple cider vinegar for sauce
  • 1 cup corned beef cooking liquid

Method
 

Cooking the Corned Beef
  1. Place the corned silverside in the slow cooker and cover with boiling water.
  2. Add the bay leaves, brown sugar, apple cider vinegar, peppercorns, and quartered onion.
  3. Cook on high for 4 to 4.5 hours, or on low for 8 hours or more.
  4. Toward the end of cooking, scoop out 1 cup of cooking liquid for the mustard sauce.
Preparing the Mustard Sauce
  1. In a small saucepan, whisk together the egg and brown sugar.
  2. Add flour, mustard, and apple cider vinegar.
  3. Cook on low heat, stirring continuously until thickened.
  4. Gradually add the cooking liquid, whisking until you reach the desired thickness.
  5. Season to taste.
Serving
  1. After cooking, let the corned beef rest for 10 minutes before slicing.
  2. Serve the sliced corned beef with mashed potatoes, seasonal greens, and mustard sauce.

Notes

Make sure to let the corned beef rest before slicing to keep it juicy. If you prefer a spicier sauce, you can add more mustard or some hot sauce. For extra flavor, you can add other spices like garlic or thyme to the slow cooker.