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Caramelized Onion Dip

This onion dip is made by slowly caramelizing sliced onions until golden and sweet, then blending them into a creamy, thick mixture. The final dish has a rich, glossy appearance with deep caramel color, featuring a smooth, velvety texture that’s perfect for dipping or spreading.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 6
Course: Main Course
Cuisine: American
Calories: 150
Ingredients Equipment Method Notes

Ingredients
  

  • 3 large yellow onions peeled and thinly sliced
  • 2 tablespoons unsalted butter for caramelizing
  • 1 teaspoon salt to taste
  • 1/2 teaspoon fresh thyme optional, for added flavor
  • 1 clove garlic minced
  • 1/2 cup sour cream for creaminess
  • 1 tablespoon balsamic vinegar optional, adds tang

Equipment

  • Large skillet or frying pan
  • Spatula
  • Knife
  • Cutting board
  • Blender or food processor

Method
 

  1. Heat a large skillet over medium heat and add the butter. Once melted and bubbling, add the sliced onions and a pinch of salt. Stir occasionally, cooking slowly until the onions turn a deep golden brown and develop a rich caramel aroma, about 30-40 minutes.
    3 large yellow onions
  2. During the last 5 minutes of cooking, add the minced garlic and thyme (if using). Cook until fragrant and the onions are deeply caramelized, stirring occasionally. Remove from heat and let cool slightly.
    3 large yellow onions
  3. Transfer the cooled caramelized onions to a blender or food processor. Add the sour cream, mayonnaise, and balsamic vinegar (if using). Blend until smooth and creamy, scraping down the sides as needed.
    3 large yellow onions
  4. Taste the dip and adjust seasoning with additional salt or vinegar if desired. Transfer to a serving bowl and refrigerate for at least 30 minutes to let flavors meld.
  5. Serve the caramelized onion dip with chips, crackers, or fresh vegetable sticks for dipping and enjoy the rich, savory flavor.

Notes

Make sure to cook the onions slowly and patiently to develop the best caramel flavor. The dip can be stored in the refrigerator for up to 3 days.