Grilled Salmon with Sherry-Honey Glaze

1 cup sherry vinegar
2 tablespoons dijon mustard
1/4 cup honey
1 tablespoon ancho chile powder
4 salmon fillets, 6 oz each

In a small saucepan over high heat, reduce the vinegar to 1/4 cup.

In a mixing bowl, combine the vinegar syrup with the mustard, honey, and ancho chile powder and season to taste with salt and pepper. Let rest 30 minutes.

Preheat grill. Brush the salmon with the glaze and grill 3 minutes on each side for medium.