Onion Marmalade

Yield:	1 Servings
Categories:

8	tb	(1 stick butter) unsalted butter
2	lb	Yellow or white onions; halbed and sliced 1/2" thick
1	ts	Salt
1/2	ts	Ground black pepper
2/3	c	Sugar
2	tb	Dry sherry
2	tb	Red wine vinegar
1	c	Red wine
1/4	c	Honey
1/2	c	Chopped dried pitted prunes