There is no one definitive recipe for Mexican sauce. However, many Mexican sauces contain tomatoes, chili peppers, onions, garlic, and cumin.
COMBINE ALL INGREDIENTS IN A SMALL SAUCE PAN EXCEPT SWEETENER AND OREGANO.
SIMMER UNCOVERED UNTIL REDUCED TO HALF ORIGINAL VOLUME.
ADD SWEETENER ANDOREGANO, SIMMER AN ADDITIONAL 5 MINUTES.
DIVIDE EVENLY INTO 2 PARTS.