INGREDIENTS
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4 poblano chile peppers, halved, stemmed and seeded
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4 to 6 boneless skinless chicken cutlets ( 1/4- to 1/2-inch thick, about 1 1/2 pounds total)
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2 tablespoons olive oil + more for drizzling
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Kosher salt and ground black pepper, to taste
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Juice of 2 limes
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4 bolillos, or other soft rolls, split through the middle
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1/4 cup mayonnaise
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2 ounces queso fresco, crumbled
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1/4 red onion, sliced very thin
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1/2 cup shredded romaine lettuce
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1 large or two small ripe avocados, pitted and sliced thin