Ingredients

  • 4 lbs corned beef brisket
  • 1 cup brown sugar (firmly packed)
  • 14 cup prepared mustard
  • 3 lbs potatoes (new potatoes, peeled)
  • 2 cups sour cream
  • 12 cup butter or 12 cup margarine
  • 2 teaspoons prepared horseradish
  • salt (to taste)
  • pepper (to taste)

Method

  • Preheat the oven to 225 degrees F.
  • In a roasting pan with a cover, place the meat.
  • Cover and bake in the preheated oven for 3-1/2 hours or until tender.
  • Remove from the oven.
  • Increase the oven temperature to 350 degrees F.
  • In a small bowl, mix the brown sugar and mustard.
  • Spread the mixture over the meat.
  • Bake uncovered for 15 minutes.
  • In a large saucepan, boil the potatoes in enough water to cover for 8 to 10 minutes or until tender.
  • Drain.
  • In a bowl, whisk together the sour cream, butter/margarine, horseradish, salt, and white pepper.
  • Pour the mixture over the potatoes.
  • Using a rubber scraper, mix gently to coat evenly.
  • Serve with the meat.