Using med. Heat, saute okra and onion in small amount of bacon drippings until crisp-tender. Add chopped tomato; stir, cooking, about 5 mins. Sprinkle on crushed crackers. Blendlightly. Cook about 5 mins.
Reduce heat. Break egg onto the mixture. Blend lightly until egg begins to congeal. Shape into a flat mound. Sprinkle grated cheese on top and slip under broiler until cheese melts.