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The Best Homemade Caramelized French Onion Dip From Scratch

A close-up of a creamy, light brown onion dip topped generously with caramelized onions and fresh green chives.

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Make this creamy, savory French onion dip from scratch. Slow-cooked caramelized onions provide deep flavor, making this the ultimate party appetizer for game day or gatherings.

Ingredients

Scale
  • 2 large yellow onions, thinly sliced
  • 2 tablespoons unsalted butter
  • 1 teaspoon olive oil
  • 1/4 teaspoon salt
  • 1/2 cup beef broth (or water)
  • 1 cup sour cream
  • 1/2 cup mayonnaise
  • 1 teaspoon Worcestershire sauce
  • 1/2 teaspoon garlic powder
  • 1/4 teaspoon black pepper
  • 1 tablespoon fresh chives, chopped (for garnish)

Instructions

  1. Heat the butter and olive oil in a large, heavy-bottomed skillet over medium heat. Add the sliced onions and salt. Stir to coat.
  2. Reduce the heat to medium-low. Cook the onions slowly, stirring every 5 to 10 minutes, for 30 to 40 minutes until they are deeply golden brown and soft. This slow caramelization builds the flavor.
  3. If the onions start to stick too much, add a tablespoon of beef broth or water and scrape up the browned bits from the bottom of the pan. Continue cooking until the liquid evaporates.
  4. Add the remaining beef broth to the skillet. Cook until the liquid has evaporated completely, about 5 minutes. Remove the onions from the heat and let them cool completely.
  5. In a medium bowl, combine the cooled caramelized onions, sour cream, mayonnaise, Worcestershire sauce, garlic powder, and black pepper. Mix until everything is well combined and creamy.
  6. Cover the dip and refrigerate for at least 2 hours, or preferably overnight, to allow the flavors to meld. This step is key for the best homemade onion dip flavor.
  7. Before serving, taste and adjust salt or pepper if needed. Garnish with fresh chives. Serve your creamy onion dip with chips or vegetables.

Notes

  • For the deepest flavor, use sweet onions like Vidalia or Walla Walla.
  • If you need a quick version, you can skip the caramelization and use 1 packet of dry onion soup mix stirred into the sour cream and mayonnaise base.
  • This dip tastes better the next day, so prepare it ahead of your party.

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