Preparation Rinse okra in a colander under hot water. Heat oil in a 10-inch heavy skillet over moderately high heat until hot but not smoking, then sauté onion, stirring, until golden, about 3 minutes. Add tomatoes (including juice) and chile and boil, stirring, until tomatoes are softened and liquid is reduced by half, 5 to 10 minutes. Add okra and cook, gently stirring, until okra is tender, about 5 minutes. Stir in salt and pepper and discard chile.
Preparation Rinse okra in a colander under hot water. Heat oil in a 10-inch heavy skillet over moderately high heat until hot but not smoking, then sauté onion, stirring, until golden, about 3 minutes. Add tomatoes (including juice) and chile and boil, stirring, until tomatoes are softened and liquid is reduced by half, 5 to 10 minutes. Add okra and cook, gently stirring, until okra is tender, about 5 minutes. Stir in salt and pepper and discard chile.