Melt butter in heavy frying pan and add seasonings.
Saute zucchini, add brown sugar and lemon and cook 2 or 3 minutes, stirring.
Add tomatoes, crushed and chunk pineapple, and vinegar.
Simmer 5 to 10 minutes, stirring often.
Remove cinnamon stick.
Serve hot, or chill in refrigerator.
Lasts a long time in the refrigerator.