Roasted Tomatoes - cooking recipe

Ingredients

2 tablespoons olive oil, plus
1/2 cup olive oil
2 cups finely chopped onions
12 large ripe plum tomatoes, cut in half lengthwise
3 cloves garlic, chopped
12 large basil leaves
1/2 teaspoon salt
1/4 teaspoon sugar
1/8 teaspoon crushed dry red pepper

Preparation

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