1/3 cup vegetable oil
1/4 teaspoon mustard seed
1 medium onion, thinly sliced
1 clove garlic, peeled and sliced
1/4 teaspoon cumin seed
1/8 teaspoon ground turmeric
1 large tomato, chopped
1 pound sliced okra
1/4 teaspoon chili powder
salt to taste

Heat oil in a medium skillet over medium heat, and cook mustard seed until it begins to crackle. Reduce heat to low, and mix in onion, garlic, cumin seed, and turmeric. Cook and stir until onion is tender, about 5 minutes.  Stir tomato and okra into the mixture. Gradually mix in chili powder and salt. Cook and stir about 10 minutes, until okra is tender but firm.  Serve with rice.