SUNDAY SUPER POT ROAST

1 Tbsp. canola oil
3 lb. chuck roast 
1 medium onion, chopped

Sauce Ingredients:
3 cloves garlic, minced
8 oz. can tomato sauce
6 oz. can tomato paste
2/3 c. packed brown sugar
1/2 c. cider vinegar
2 Tbsp. Worcestershire sauce
1 tsp. dry mustard
1 tsp. oregano
1 tsp. salt
1/4 tsp. pepper

Spread canola oil on bottom of crockpot.  Add onions and then chuck roast.  Mix sauce ingredients in a medium bowl and pour on top of the roast.  Cook on low for 7-8 hours or medium for 4-5 hours.