Maple Glazed Ribs

3 lb ribs

3/4 cup maple syrup

2 tbsp ketchup

2 tbsp brown sugar

1 tbsp cider vinegar

1 tbsp Worcestershire sauce

1/2 tsp salt

1/2 tsp dry mustard

Roast ribs at 425 degrees F for 30 minutes. Mix together remaining ingredients and bring to a boil. Pour over ribs. Bake, uncovered, at 325 degrees F for 1 hour, basting often.