Wash peaches and cut in half. Remove pit. Brush with vegetable and place on grill, flesh side down. Grill until marks show on peaches.
Turn and do the same to the skin side.
Remove from grill, place on plate or bowl and cover with plastic wrap. Let cool.
Once cooled, remove skin from peaches and slice.
Melt butter in medium sauté pan and add peaches. Cook for 3-4 minutes.
Add brown sugar, honey, salt and cinnamon.
Continue to cook on medium low heat until sauce is thick and syrupy.