(makes approx 12 oz.)

1 tbsp. olive oil
1 large sweet onion, sliced
1/4 cup sherry vinegar
8 oz. Glace de Veau Roasted Veal Stock Reduction
1 tbsp. butter
Salt and pepper, to taste

SWEAT onions in olive oil in a saucepan over low heat until transparent.

ADD vinegar; reduce by 50%.

STIR in Glace de Veau Roasted Veal Stock Reduction until blended. Remove from heat. Stir in butter and season to taste with salt and pepper.