Classic French Onion Dip

Best Classic French Onion Dip Caramelized Onions

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  • 2 large yellow onions, about 3 cups, sliced 3/8ths inch thick
  • 4 tablespoons butter
  • 1/4 cup oil
  • 3/4 teaspoon salt
  • 1/2 teaspoon sugar
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon cayenne
  • 4 ounces cream cheese, at room temperature
  • 3/4 cup thick sour cream, or a little more if the sour cream is thin
  • 1/4 cup mayonnaise


Heat the butter and oil over medium heat in a large pan. Add the onions, salt, and sugar. Cover pan and cook gently for about 10 minutes. Uncover, stir and reduce the heat to medium-low. Cook, stirring every several minutes and cook for about 20 to 25 more minutes until the onions are browned and caramelized. Allow to cool. May be made ahead and stored three or four days, covered, in the fridge.

Place the cream cheese in a mixing bowl, and using a paddle attachment, beat until smooth. On low, slowly mix in the sour cream and mayonnaise. Add the onions, pepper, and cayenne and mix well by hand until just mixed. Dip can get “sticky” if over mixed. Taste for seasonings, but keep in mind it takes a little time for the flavors to meld.

Serve at room temperature.


  • If your sour cream isn’t thick, use 1 cup of sour cream. line a small strainer, add sour cream and let it sit for several hours over a bowl in the fridge.
  • You may wish to add a few dashes of Worcestershire or just about any hot sauce to this dip. Go by taste and be subtle or not as the mood hits.

Keywords: Appetizer, Caramelized Onion, onion dip, onions, Sour cream, Spreads and Dips

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