Salsa di Concentrato de Pomodoro
Source of Recipe
Internet
List of Ingredients
1 cup olive oil
1 medium onion, finely chopped
3 cups tomato paste
1 teaspoon sugar
Salt and freshly ground pepper
Recipe
Heat the olive oil in a heavy-bottomed saucepan and cook the onion for 5 minutes over medium heat, stirring often. Stir in the remaining ingredients and season to taste with salt and pepper. Simmer over low heat for 1 hour. The sauce must be stirred frequently.
Makes about 1 quart