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French Onion Dip Recipe

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4.3 from 25 reviews

This classic French Onion Dip is a creamy and flavorful appetizer perfect for parties or casual snacking. Made with caramelized onions, garlic, sour cream, and mayonnaise, it delivers a rich, savory taste enhanced by fresh herbs and a touch of Worcestershire sauce. Easy to prepare and sure to be a crowd-pleaser, this dip pairs wonderfully with chips, crackers, or fresh vegetables.

Ingredients

For the Caramelized Onions:

  • 2 tablespoons butter or olive oil
  • 2 medium yellow onions, sliced
  • 3 garlic cloves, minced

For the Dip Base:

  • 2 cups sour cream
  • ¼ cup mayonnaise
  • 2 tablespoons finely chopped fresh chives
  • 1 tablespoon finely chopped fresh parsley
  • Kosher salt and freshly ground black pepper, to taste
  • Optional: a splash of Worcestershire sauce for richer flavor

Instructions

  1. Caramelize the Onions: In a skillet over medium heat, melt the butter or heat the olive oil. Add the sliced onions and cook slowly, stirring occasionally, for about 20-25 minutes until the onions become golden brown and caramelized. Add the minced garlic in the last 2 minutes of cooking to soften and release flavor without burning.
  2. Prepare the Dip Base: In a medium bowl, combine the sour cream and mayonnaise. Stir in the finely chopped fresh chives and parsley. Season with kosher salt and freshly ground black pepper according to your taste preferences.
  3. Mix and Chill: Add the caramelized onions and garlic to the sour cream mixture. If desired, add a splash of Worcestershire sauce to enhance the depth of flavor. Stir well to combine all ingredients thoroughly.
  4. Refrigerate: Cover the bowl with plastic wrap or transfer the dip to an airtight container. Refrigerate for at least 1 hour to allow the flavors to meld together and the dip to chill properly.
  5. Serve: Once chilled, give the dip a final stir and adjust seasoning if needed. Serve with potato chips, crackers, fresh vegetables, or as a condiment for sandwiches.

Notes

  • For deeper flavor, caramelize the onions slowly over low heat without rushing.
  • The dip tastes even better if made a day ahead to let the flavors develop fully.
  • Use low-fat sour cream and mayonnaise to reduce fat content if desired.
  • Add a pinch of smoked paprika or cayenne pepper for a spicy twist.
  • Store leftovers in an airtight container in the refrigerator for up to 3 days.