Piquant Pot Roast

• 2 - 2 1/2 lbs boneless beef chuck roast
• 2 medium onions, cut into wedges
• 1 (8 ounce) can tomato sauce
• 1/4 cup water
• 1 tablespoon yellow mustard
• 1 -2 teaspoon prepared horseradish
• 1/2 teaspoon salt
• 1/4 teaspoon ground black pepper
• 2 tablespoons all-purpose flour
• 2 tablespoons cold water

1. Trim fat from meat. If necessary, cut meat to fit into a 3-1/2- or 4-quart slow cooker. Place meat in slow cooker & top with onions.
2. In a small bowl, combine tomato sauce, the 1/4 cup water, mustard, horseradish, salt and pepper; pour over meat and onions.
3. Cover and cook on low-heat setting for 8 to 10 hours or on high-heat setting for 4 to 5 hours.
4. Transfer meat and onions to a serving platter. For sauce, transfer juices from cooker to a small saucepan. Skim off fat. In a small bowl, stir together flour and the 2 tablespoons cold water. Stir into the mixture in saucepan. Cook and stir over medium heat until thickened and bubbly. Cook and stir for 1 minute more. Serve with meat and onions.

boneless beef chuck roast, onions, tomato sauce, water, yellow mustard, horseradish, salt, ground black pepper, flour, cold water

Taken from www.food.com/recipe/piquant-pot-roast-498492 (may not work)