Instructions

  1. Preheat oven to 250^F.
  2. Heat 2 T oil in a large heavy skillet over medium heat.
  3. Add onions and saute' until tender, about 8 minutes.
  4. Place tomatoes in a single layer in a large roasting pan.
  5. Add onions, 1/2 c oil, garlic, basil, salt, sugar and red pepper, tossing to coat.
  6. Roast until tomatoes are tender but not falling apart, stirring now and then, about 2 hours.