Can be prepared in 45 minutes or less.

two 1-inch-thick swordfish steaks, each about 6 ounces
1 tablespoon unsalted butter
1/2 tablespoon olive oil
3 shallots, sliced thin
1/4 cup dry white wine
2 tablespoons balsamic vinegar
1 tablespoon drained capers, chopped
1 tablespoon water
1 tablespoon chopped fresh parsley leaves (wash and dry before chopping)

Pat swordfish dry and season with salt and pepper. In a heavy skillet heat butter and oil over moderately high heat until foam subsides and sauté shallots with salt to taste, stirring, 1 minute. Push shallots to side of skillet. Add swordfish and sauté until golden, about 3 minutes. Turn fish over and add wine, vinegar, capers, and water. Simmer mixture 3 minutes, or until fish is just cooked through.

Transfer fish to 2 plates and stir parsley into sauce. Spoon sauce over fish.