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French Onion Dip

French Onion Dip

This french onion dip recipe uses caramelized yellow onions, sour cream, cream cheese, dry white wine, and Worcestershire sauce for a rich, make-ahead party dip. The slow-cooked onions create sweet, jammy flavor, while the chilled dip tastes better after sitting overnight. Serve it with ruffle-cut potato chips, thick pretzel crisps, or fresh vegetables at a game day gathering or neighborhood potluck.
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Prep Time 10 minutes
Cook Time 45 minutes
Total Time 55 minutes
Servings: 12 servings
Course: Dip
Cuisine: American
Calories: 153
Ingredients Equipment Method Notes

Ingredients
  

  • 3 medium size yellow onions
  • 2 tablespoons salted butter
  • 2 teaspoons each salt and sugar
  • 1/4 cup dry white wine
  • 12 ounces sour cream
  • 8 ounces cream cheese softened
  • 1 clove fresh garlic grated (optional)
  • fresh flat-leaf parsley, minced, to taste
  • a few dashes of Worcestershire sauce or soy sauce (!!) to taste

Equipment

  • Mandoline slicer
  • Nonstick skillet
  • Hand mixer
  • Cutting board and knife
  • spatula

Method
 

  1. Prepare the Onions
    Peel the onions and slice them very thinly and evenly. A mandoline works especially well for getting consistent slices, which helps the onions cook at the same rate.
  2. Caramelize the Onions
    Melt the butter in a nonstick skillet over medium heat. Add the sliced onions, then sprinkle with the salt and sugar. Sauté for 10–15 minutes, stirring every few minutes to prevent sticking and encourage even browning.
    Once the onions begin to soften and turn golden, add a small splash of wine. Let it sizzle and cook off, then stir the onions and repeat the process with another splash of wine. Continue adding small amounts of wine and letting it cook off as the onions caramelize.
    After about 30 minutes total, the onions should be deeply golden brown, soft, and fragrant.
  3. Chop the Onions
    Transfer the caramelized onions to a cutting board and chop them into small pieces. Alternatively, you can use kitchen scissors to snip the onions into smaller pieces directly in the skillet.
  4. Make the Dip
    In a separate bowl, combine the cream cheese and sour cream. Use a hand mixer for a smoother dip, or simply stir with a spoon if the cream cheese is soft enough.
    Fold in the chopped caramelized onions and a handful of fresh parsley. Taste and adjust the seasoning as needed.
    For extra savory flavor, stir in a small splash of soy sauce and/or Worcestershire sauce, using about 1 tablespoon or less. You can also add 1 clove of freshly grated garlic if desired.
  5. Serve
    Serve the dip slightly warm or chilled, depending on your preference. Both options work beautifully with the rich caramelized onions and creamy base.

Recipe Notes

Mayo Variation: For a slightly richer dip, you can use mayonnaise in place of some of the dairy. Swap half of the sour cream or cream cheese for an equal amount of mayonnaise.
Wine: Sauvignon Blanc works well for caramelizing the onions. If you prefer not to use wine, water is a simple substitute.
Why Add Liquid: The wine or water helps deglaze the pan as the onions cook and prevents them from becoming too dry or overly browned. Adding small amounts throughout the cooking process helps keep the onions soft, juicy, and deeply caramelized.
Using Water: If you use water instead of wine, add a small squeeze of fresh lemon juice at the end if needed. It adds a touch of acidity that balances the rich, creamy dip.