INGREDIENTS
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1 4-6 lb. bone in rib roast 4 to 6 tbsp. finely minced garlic 4 to 6 tbsp. finely minced fresh rosemary 3 tbsp. grainy mustard 1 red onion cut into large wedges 2 carrots, rough chopped 2 celery stalks, rough chopped 2 cups of beef stock 5 to 7 tbsp.