Tortilla Soup

Procedure

1. Place the tomatoes on a foil-lined pan and place under a preheated broiler. Broil until softened and the skins are blistered and blackened.
2. Peel and core the tomatoes.
3. Purée the tomatoes, onion, and garlic together in a food processor.
4. Heat the oil in a heavy saucepot over moderately high heat.
5. Add the tomato mi