Tomato Mustard Sauce

This quick and easy Italian sauce is like a spicy, slightly chunky ketchup.

Yield: ½ cup

Time: 1 hour (mostly hands off)


  • knife
  • small bowl
  • rubber spatula


  • 1 medium onion, minced
  • 1 T garlic, minced
  • 1 T white, wine, or cider vinegar
  • 1 t sugar
  • ½ – 1 t salt
  • 3 T tomato paste
  • 1 T Dijon mustard


Place onion, garlic, vinegar, salt, and sugar in the bowl and mix well. Leave for an hour.

Stir in tomato and mustard, taste, and adjust seasonings.

Use immediately or cover and refrigerate for up to 3 days.


Best Recipes in the World cookbook

If you like spicy condiments, you’ll love this on veggie burgers and French fries.

Adapted from the recipe for “Uncooked tomato-mustard sauce" in Mark Bittman’s The Best Recipes in the World.

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Tomato mustard sauce