Ingredients

3 tablespoons extra-virgin olive oil 

1 medium onion, chopped 

4 garlic cloves, thinly sliced 

2 cans (28 ounces each) peeled whole tomatoes, pureed in a food processor 

1/2 teaspoon crushed red-pepper flakes 

Coarse salt and freshly ground pepper 

1/4 cup fresh basil, leaves torn 

1 tablespoon chopped fresh oregano 

Preparation

Heat oil in a large heavy pot over mediumheat. Cook onion and garlic until softand translucent, about 8 minutes. Addtomatoes, red-pepper flakes, 1 teaspoonsalt, and some pepper. Simmer, covered,until thick, 25 minutes. Stir in herbs.