INGREDIENTS
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1 (2 pound) flank steak
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1 cup (jarred or canned) pickled jalapenos, including the onions and carrots that come in the jar or can
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Salt and freshly ground black pepper
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1 medium white onion, sliced 1/2-inch thick, keeping the rings together
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2 tablespoons olive oil
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4 poblano chiles
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2 jalapeno chiles
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1 garlic clove, peeled and thinly sliced
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1/2 teaspoon dried Mexican oregano
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Flour tortillas, guacamole and pico de gallo, for serving