SAUTÉ apples in medium saucepan 2 min. Add tomatoes. Bring to boil, stirring frequently to break up tomatoes.
ADD onion, dressing, vinegar and Worcestershire sauce. Bring to boil. Reduce heat to low; simmer 1 hour or until thick. Pour quickly into jars, filling up to 1/4-inch from rim.
KEEP refrigerated for up to 1 month.
serving size = 2 Tbsp.