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cherry tomato butter sauce with onion
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5 from 1 vote

Cherry Tomato Butter Sauce

A simple, silky tomato sauce made with just a handful of ingredients. Rich from butter, naturally sweet from cherry tomatoes, and perfect for tossing with your favorite pasta.
Prep Time2 minutes
Cook Time20 minutes
Total Time22 minutes
Course: Ingredient
Cuisine: Italian
Keyword: cherry tomato butter sauce, cherry tomato sauce, easy pasta sauce, quick pasta sauce, tomato butter sauce, tomato sauce with onion and butter
Servings: 4
Author: Rachel Lerro

Ingredients

  • 3 tablespoons butter
  • 1/4 onion white or yellow onion
  • 1 15 oz can cherry tomatoes or 1½ cups fresh cherry tomatoes
  • 1/4 cup water no need for water if you’re using fresh tomatoes
  • salt

Instructions

  • In a medium skillet or saucepan over medium heat, melt the butter. Add the onion and let it cook for a minute or two.
  • Pour in the cherry tomatoes (along with their juices, if using canned), and add water. No need to add in any water if you’re using fresh tomatoes here. Season with a few generous pinches of salt. Stir to combine.
  • Partially cover with a lid and let the sauce simmer over medium-low heat.
    If using canned tomatoes: cook for 10–15 minutes. | If using fresh cherry tomatoes: cook for 15–20 minutes.
    The tomatoes should break down, the onion will soften, and the butter will emulsify into the sauce.
  • Remove the onion. Taste the sauce and adjust the salt as needed.
  • Toss with pasta — malloreddus, spaghetti, cavatelli, tagliatelle, gnocchi, whatever you like. Finish with grated Parmigiano and some fresh basil if you’d like.

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