Tuna with Tomato-Caper Sauce Recipe – Sunset Magazine

Ingredients

• 2 tuna steaks (such as albacore or yellowfin; each about 6 oz. and 1 in. thick)
• Salt and pepper
• 1 tablespoon olive oil
• 1 onion (8 oz.), peeled, halved lengthwise, and thinly sliced
• 1 can (14 1/2 oz.) crushed tomatoes in purée
• 1/2 cup dry red wine
• 3 tablespoons balsamic vinegar
• 1 tablespoon drained capers
• 1 teaspoon dried oregano