Canned whole peeled tomatoes
28 oz, with juices
Pantry
Butter tomato pasta sauce.
Tomatoes, butter and an onion simmer into a simple sauce with a soft, rich finish.
- Makes
- Sauce for 1 pound pasta, about 4 servings
- Hands-on
- 10 minutes
- Total time
- 50 minutes
- Effort
- Easy
GET WHAT YOU NEED
Your shopping list
For Sauce for 1 pound pasta, about 4 servings.
Unsalted butter
70 g
Yellow onion
1 medium, peeled and halved
Salt
To taste
Amounts are what the recipe uses, not package sizes. Compare quantities and product details before buying.
KEEP IT SIMPLE
Tools & supplies
Heavy saucepan
Hold a gentle simmer.
Wooden spoon
Stir and break tomatoes.
Knife and cutting board
Prepare onion.
STEP BY STEP
Make it
Combine
Put tomatoes and juices, butter and onion halves in the saucepan.
Simmer
Bring to a simmer, then lower heat. Cook uncovered about 45 minutes.
Stir
Stir occasionally and crush tomatoes against the pot until the sauce has the texture you like.
Finish
Remove onion halves, season with salt and use with separately cooked pasta.
Good to know
- The pasta is a serving suggestion, not included in the sauce ingredients.
- Save the softened onion to eat separately if you like it.
SAVE THE MAKING
Prefer it ready-made?
Compare these finished options with making your own.
Jarred tomato pasta sauce
A finished sauce skips the simmer; ingredients vary between brands.
Links go to the selected products. Availability and delivery vary by location; check the current listing and package size before ordering.
Sources & further reading
Independent instructions informed by the sources below. No affiliation or endorsement is implied. These instructions have not been kitchen- or workshop-tested by DIBuyIt.
- Smitten Kitchen: Tomato Sauce with Onion and Butter — Ingredient quantities and preparation method.