Directions Preheat the oven to 350 degrees F (175 degrees C). Cut off most of the cauliflower's stem and place the whole head in a baking dish. Heat two tablespoons of oil and turmeric together in a small frying pan. Brush the cauliflower head with the oil and turmeric mixture. Bake the cauliflower for 30 minutes. While the cauliflower is cooking heat two tablespoons of oil in a frying pan, mix in the minced onions and saute until the are a medium brown color. Add the pureed tomatoes, garlic powder, garam masala and salt. Let this mixture simmer for 10 minutes. Arrange lettuce leaves on a serving plate. Place the cauliflower on top of the lettuce. Pour the tomato curry over the cauliflower. Serve hot.