Remove tomatoes from their juice; reserve juice. Roughly chop tomatoes.
In medium saucepot, heat butter over medium heat. Add onion; cook 3 to 4 minutes or until onion is just softened and translucent (do not brown), stirring frequently.
Stir in garlic. Cook 30 seconds, stirring constantly.
Stir in tomatoes and their juice. Heat to boiling over medium-high heat, then reduce to low. Simmer 15 minutes or until thickened to a sauce-like consistency.
Stir in salt, pepper and basil.
Notes
Use roughly chopped, whole peeled tomatoes – Reading this post in the summer, when there are great, fresh, in-season tomatoes? Cool. It’s February as I write this, and even the best chefs know that certain canned items deliver a superior quality vs. an out-of-season product. Don’t be afraid to use a good quality can of tomatoes!
This website provides estimated nutrition information as a courtesy only. You should calculate the nutritional information with the actual ingredients used in your recipe using your preferred nutrition calculator.