Excellent and very easy! Because I never have enough sauce in the house and wanted leftovers, I used 2 large cans of peeled tomatoes, 3 onions, and 1 & 1/2 sticks of butter. I broke up the tomatoes with my hand and then at the end used an immersion blender after removing the onions. It was perfectly balanced with delicately flavored cheese ravioli. Interestingly, the smell really reminded me of Pepe’s in New Haven, where four generations of my family have enjoyed pizza.