Beef Brisket with Horseradish Sauce Recipe

Sprinkle the beef with seasoned salt; coat evenly with flour. Set on a rack in a roasting pan. Roast at 450 F. for 30 minutes. Combine the chili sauce, ketchup, and horseradish; mix well and spoon over meat. Pour boiling water into bottom of pan; cover. Reduce temperature to 350 F. and return meat to oven. Continue roasting about 3 hours, or until meat is tender. If desired, thicken cooking liquid for gravy.