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Creamy Jalapeño Sauce

A smooth, richly textured jalapeño sauce made by blending tender peppers and red onion with fresh garlic, neutral oil, and salt. The finished sauce delivers a vibrant pepper flavor and can be served immediately or chilled to allow the flavors to develop further.
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Course: Sauces
Cuisine: Mexican-Inspired
Keyword: Creamy Jalapeño Sauce
Prep Time: 10 minutes
Cook Time: 15 minutes
Blending Time: 5 minutes
Total Time: 30 minutes

Ingredients

  • ½ cup mild neutral-flavored oil, such as avocado, corn, or vegetable oil
  • 4 to 5 peeled garlic cloves
  • 1 small red onion roughly chopped, approximately 4 ounces
  • 1 teaspoon salt with additional salt as needed
  • 8 fresh jalapeño peppers approximately 12 ounces total
  • Reserved jalapeño cooking water as needed for thinning

Instructions

  • Remove and discard the stems from the jalapeño peppers. Place the whole peppers in a medium saucepan, then add the chopped red onion.
  • Pour enough water into the saucepan to completely submerge the jalapeños and onion. Bring the water to a boil over high heat.
  • Once boiling, lower the heat and simmer the vegetables for approximately 15 minutes. The jalapeños should soften and change to a muted green color. They are ready when easily pierced with a fork but should not be allowed to become mushy.
  • Drain the cooked jalapeños and onion, reserving a portion of the cooking water. Set the strained vegetables aside.
  • Transfer the softened jalapeños and onion to a food processor. Add the garlic cloves, neutral oil, and salt.
  • Process the ingredients for 4 to 5 minutes, or until the sauce becomes exceptionally smooth, creamy, and evenly blended.
  • For a thinner consistency, incorporate the reserved cooking liquid a few tablespoons at a time, blending after each addition until the desired texture is reached.
  • Taste the finished sauce and add more salt only if necessary.
  • Transfer the creamy jalapeño sauce to a serving bowl or storage jar. Serve immediately or refrigerate until needed.
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Notes

For a more fully developed flavor, refrigerate the sauce for several hours before serving.
Keep the sauce refrigerated in a covered container when storing it for later use.