Place each chicken-breast half between two sheets of heavy-duty plastic wrap, and pound to 1/2-inch thickness using a meat mallet or a rolling pin. Salt and pepper both sides of each chicken-breast half.
Heat oil in large nonstick skillet over medium-high heat. Add chicken; sauté 3 minutes per side, until golden and cooked through. Cook in batches if necessary to prevent from crowding the pan.
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