INGREDIENTS
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2 (1-pound) flat iron steaks
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Salt and freshly ground black pepper
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3 tablespoons extra-virgin olive oil, plus extra for garnish
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6 tablespoons cold unsalted butter
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1 onion, thinly sliced
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1 tablespoon minced garlic
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1 teaspoon dried oregano
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1/4 cup tomato paste
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1/2 teaspoon of beef base
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2 1/2 cups dry red wine