6 tablespoons unsalted butter, sliced
1/3 cup Black Currant Balsamic
¼ cup finely chopped onion
2 rosemary sprigs, plus more for garnish
4 grilled steaks
Makes 4 servings.
Find this recipe at www.theolivepress.com/recipes/view/grilled-steaks-with-black-currant-reduction-sauce