Can be prepared in 45 minutes or less, but requires additional unattended time.

 

In a large non-reactive saucepan bring tomatoes and oil to a simmer and simmer, uncovered, stirring occasionally, 20 minutes, or until sauce is reduces to about 2-1/2 cups.

 

Season sauce with salt and cool to room temperature. Sauce keeps, covered and chilled, 5 days.

 

Makes about 2-1/2 cups.