Savory Pot Roast

Ingredients

1/4 cup vinegar
1/4 cup olive oil
1/4 cup ketchup
2 tablespoon soy sauce
2 tablespoon worcestershire sauce
1 teaspoon rosemary
1 teaspoon garlic powder
1 teaspoon mustard
1 beef

Instructions

Mix ingredients well in a blender, and pour over your pot roast. Cook until tender, 810 hours on Low.