Roasted Beef with Horseradish Cream recipe

-----LISA HLAVATY FDGN81A-----
1/4 cup Vegetable oil
2 tablespoons Cider vinegar
1 teaspoon Salt
1 teaspoon Pepper
1 tablespoon Prepared horseradish
1 teaspoon Garlic -- minced
1/4 cup Chopped fresh parsley
3 1/2 pounds Beef chuck roast
-----HORSERADISH CREAM-----
1/2 cup Dairy sour cream
1/2 cup Mayonnaise
1/4 teaspoon Salt
1/4 teaspoon Pepper
1 tablespoon Prepared horseradish
1 teaspoon Lemon juice
1 teaspoon Dijon mustard
1/4 cup Fresh parsley

In dutch oven stir together all marinade ingredients except parsley and roast; stir in parsley. Place roast in marinade; turn to coat all sides with marinade. Cover; refrigerate overnight. Heat oven to 350.
Bake roast in marinade for 1 1/2 to 2 hours or unti roast is fork tender. Meanwhile, in small bowl stir together all horseradish cream ingredients except parsley. Stir in parsley. Cover, refrigerate unti ready to serve. serve over carved roast. Source: Land O Lakes