Yes. Onion Marmalade.
Use this as a spread for sandwiches or as an accompaniment to meats. This is the spread used in the charcuterie plate.
1 tablespoon butter
3 medium yellow onions, sliced
¼ cup dark brown sugar
½ cup balsamic vinegar
½ cup apple cider vinegar
pinch each: allspice, clove, ginger, cinnamon, pepper and salt
Melt butter in large skillet over medium low heat. Add onions. Cover and cook until onions are translucent, but not brown. Uncover. Add remaining ingredients. Stir. Cook, uncovered, until thickened.