Winter Pot Roast

1 2 ½ pound beef roast
2 tbsp. steak sauce
2 medium onions, thinly sliced
1 15 oz. can tomato sauce
1 cup ketchup
1 tsp. salt
2 tsp. sugar
¼ tsp. pepper
1 ½ tbsp. pure horseradish
8 new potatoes

*Combine all ingredients except roast and potatoes. Pour over roast in freezer bag(s). Roast can be divided. Seal and freeze. When ready to eat, thaw and place contents into a crock pot. Cover and cook on low for 6 to 8 hours. Check every few hours to make sure there is enough fluid. Cut meat into cubes and put back into sauce. Serve on boiled potatoes.