Combine all the ingredients in a nonreactive bowl, and mix well. Let the mixture rest for about 2 hours before using it, to allow the flavors to blend. This sauce will keep for up to 2 weeks in an airtight jar in the refrigerator.
How to use it: Serve this sauce warm or chilled. It is good on any barbecue, but the delicate flavor of maple works especially well with chicken and seafood, particularly shrimp. You can use this as a finishing sauce over direct heat on the grill; because of its lower sugar content, it will not burn as some of the other sauces will.
2 1 cup tomato puree
