That's a really basic red sauce. I make it myself a few times a year. Goes really well with some fresh pasta. Here's my recipe:
Ingredients
* 800g peeled plum tomatoes (San Marzano)
* 1 medium white onion, peeled and sliced in half
* 5 tablespoons of butter
* Salt to taste
Directions
* Put everything in a large stock pot.
* Bring to a boil, reduce heat to medium, and simmer for 45 minutes uncovered, stirring occasionally.
* Discard onion halves and serve with your choice of pasta.
