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Oven-Roasted Tomato Sauce

Updated: Sep 11, 2022

Processing tomatoes can be time consuming so I am all about shortcuts and tricks to reduce the amount of time spent in a hot kitchen! This oven-roasted tomato sauce is one of the easiest recipes I've found to use some of that summer bounty!

The EASIEST sauce recipe!

Roasting your tomatoes gives them them a slightly smoky flavor and is so much less-fuss than cooking them down over the stove.

Oven-Roasted Tomato Sauce


Um.. tomatoes. Just tomatoes.

Personally, I just keep mine simple so that I can use the sauce for anything later on. A quick marinara, chili, soups and stews, pasta..

This sauce is fully-customizable, you can add anything into it that you would like when you're roasting your tomatoes. Here are a few of my favorites

  • garlic

  • sweet onions

  • carrots

  • peppers

Running finished sauce through the food mill


  1. Preheat your oven to 350°F

  2. Wash and loosely quarter the tomatoes. Don't bother removing the cores, seeds or skins

  3. Place tomatoes in oven-safe baking dishes and bake for 2-4 hours or until the tomatoes are cooked soft and the tops are beginning to brown

  4. Allow to cool

  5. Puree smooth in a blender or food processor

  6. At this point your sauce is done or you can run it through a food mill for an extra smooth finish

  7. Freeze or can your sauce following you canners instructions

*to freeze: pour your sauce into quart-sized freezer bags and lay them flat. That way you can easily stack them in your freezer and they won't take up much space!

Let me know what you think in the comments!

Roasted sauce right out of the oven

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