Roast Beef With Horseradish Mustard Sauce

Lizzie Rodriquez's Note:

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• Total Time: 1 hrs 10 mins
• Prep Time: 10 mins
• Cook Time: 1 hrs

Ingredients:

Servings: 10

• 2 tablespoons coriander powder
• 1 tablespoon cracked black pepper
• 2 teaspoons kosher salt
• 5 garlic cloves , crushed
• 3 lbs sirloin tip steaks , trimmed
• nonstick cooking spray
• ¾ cup prepared horseradish
• ½ cup mustard , stone-ground
• ¼ cup white vinegar

Directions:

1. Preheat oven to 450 degrees.
2. To prepare roast beef, combine first four ingredients; rub over roast. Place roast on a broiler coated with cooking spray. Insert a meat thermometer into the thickest portion of the roast. Bake at 450 for 20 minutes.
3. Reduce over temperature to 300 degrees (do not remove roast from oven); bake an additional 40 minutes of until thermometer reads 140 degrees (medium rare). Place roast on a cutting board; cover loosely with foil. Let stand 15 minutes. (Temperature of roast will increase 5 degrees on standing.) Cut roast against grain into thin slices.
4. To prepare sauce, combine horseradish, mustard, and vinegar. Serve with roast beef.