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The Best Homemade French Onion Dip From Scratch

A generous scoop of creamy onion dip topped with deeply caramelized onions served in a white bowl.
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Make this creamy French onion dip from scratch using deeply caramelized onions for the ultimate party appetizer. This recipe avoids soup mix and delivers rich, savory flavor perfect for game day.

Ingredients

Scale
  • 2 large yellow onions, thinly sliced
  • 2 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • 1 teaspoon salt, divided
  • 1/2 teaspoon sugar
  • 1 cup sour cream
  • 1/2 cup mayonnaise
  • 1 teaspoon Worcestershire sauce
  • 1/2 teaspoon garlic powder
  • 1/4 teaspoon black pepper

Instructions

  1. Combine the sliced onions, butter, and olive oil in a large, heavy-bottomed skillet over medium heat. Stir to coat the onions.
  2. Cook the onions slowly, stirring every 5 to 10 minutes. After about 20 minutes, add 1/2 teaspoon of salt and the sugar. This slow cooking process is key to developing deep flavor.
  3. Continue cooking, stirring more frequently as the onions begin to brown, for another 30 to 40 minutes, until the onions are dark brown, soft, and deeply caramelized. Total caramelization time should be 50 to 60 minutes.
  4. Remove the skillet from the heat and let the caramelized onions cool completely. You can speed this up by spreading them on a plate.
  5. In a medium bowl, whisk together the sour cream, mayonnaise, Worcestershire sauce, garlic powder, and black pepper.
  6. Fold the cooled caramelized onions into the sour cream mixture. Add the remaining 1/2 teaspoon of salt, or to taste.
  7. Cover the dip and refrigerate for at least 2 hours, or preferably overnight, to allow the flavors to fully meld. This step makes it the best onion dip recipe.
  8. Serve your creamy party dip cold with potato chips or fresh vegetables.

Notes

  • For the deepest flavor, do not rush the onion caramelization; low and slow cooking builds the savory base for this gourmet onion dip.
  • If you need this dip faster, you can use a slow cooker to caramelize the onions over low heat for 4 to 6 hours.
  • This dip is excellent served with ruffled potato chips or sturdy vegetable sticks.

Nutrition

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