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Hot Caramelized Onion Dip with Bacon and Gruyere

Hot Caramelized Onion Dip with Bacon and Gruyere is the ultimate onion dip! The flavor of the sweet caramelized onions covered in so much rich, creamy, cheesy goodness makes this dip the hit of every party!

Hot Caramelized Onion Dip in a small cast iron skillet surrounded by toasted baguette slices.


Sweet onion, bacon, gooey cheese all mixed in sour cream and mayo. You can’t go wrong with that.

It’s rich, creamy, and flavorful and sure to be a hit at your next party. Cook the dip in a small cast iron skillet to get it extra golden and bubbly.

Onion Dip with Bacon and Gruyere surrounded by thyme and fresh baguette slices.

Hand holding baguette slice and scooping up onion dip.

Serve with baguette, apple slices, or fritos. Try serving leftovers (if there are any!) over a baked potato.

Hot Caramelized Onion Dip with Bacon and Gruyere and baguette slices.

How To Make Caramelized Onion Dip Video

Hot Caramelized Onion Dip with Bacon and Gruyere

Hot Caramelized Onion Dip with Bacon and Gruyere

Sweet Onion, bacon, gooey cheese all mixed in with sour cream and mayo. An appetizer doesn't get more delicious than that!
PREP: 30 minutes
COOK: 20 minutes
TOTAL: 50 minutes
SERVINGS: 6 servings


  • 4 bacon strips
  • 2 sweet onions halved and thinly sliced
  • 1/4 teaspoon sugar
  • 1/4 teaspoon sea salt
  • 1 tablespoon dry sherry
  • 1/4 teaspoon tabasco
  • 1/2 teaspoon chopped fresh thyme
  • 1 cup shredded Gruyere Cheese
  • 1/2 cup sour cream
  • 1/2 cup mayo
  • 1/4 teaspoon freshly ground black pepper


  • Preheat oven to 400 degrees.
  • Cook bacon in a large nonstick skillet. Remove to a paper towel lined plate to cool. Crumble.
  • Add onions, sugar, and salt to bacon fat in the skillet and cook over medium-high heat for about 5 minutes. Reduce heat to medium and cook, stirring often, until onions turn a deep golden brown color. This can take as long as 20 minutes. If onions start to burn, turn heat down to medium-low.
  • Add sherry and cook 1 minute. Stir in thyme and tabasco. Remove from heat.
  • Mix together sour cream and mayo in a medium bowl. Add crumbled bacon, cheese, onion mixture, and black pepper. Mix together well and transfer to a 2-cup baking dish.
  • Bake 20 minutes, or until bubbly and golden brown on top.


Yield: 2 cups


Calories: 287kcal
Author: Christin Mahrlig
Course: Appetizer

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Recipe Source: adapted from Coastal Living

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107 thoughts on “Hot Caramelized Onion Dip with Bacon and Gruyere”

  1. I came across this recipe as I was planning a Christmas party for 60 people. Tired of the same old “dips”. This dip far surpassed my expectations! The sweetness of the onions, smoky bacon and cheese was an absolute hit! As someone who entertains a lot, this will be my new signature dish! Outstanding!

  2. This is a FABULOUS recipe, I did add more cheese and sautéed a shallot with the onion, hit onions with tablespoon of brown sugar and 1/4 cup of balsamic vinegar. DELICIOUS!!!

  3. My family is hooked! This recipe is the perfect starter for any gathering. Gooey and delicious on little toasted bageutte slices.

  4. Made this for my sisters engagement party. Over 50 people. It was gone within the first hour of the party. It was absolutely delicious and a huge hit. Making it again this week for our family beach week vacation. Thank you!

  5. I have made this dish many many times and it never fails to delight! Also can’t tell you how many times I have given it out to other people!

  6. This has been my go to recipe for special occasions! My family requests this any time we get together. The only change I make is that I hollow out a sourdough loaf to bake the dip in. You can eat the loaf after the dip is gone (delicious) and use the extra bread from the loaf for dipping. Absolutely amazing recipe!

  7. I make this frequently and everyone always wants the recipe, I have substituted all Swiss cheese with good results, when I can’t find Gruyere locally.

  8. Rachel Robbins

    My girls & their families come over every Sunday for dinner & I always use them as guinea pigs. I served this last Sunday. It was SO good that 2 of the kids (grown-up kids) had to literally leave the kitchen so they would stop eating it so they’d still have room for dessert. Just wonderful & as my one son-in-law said, “definitely a keeper!”

  9. I have made this twice in the past week after my niece made it for Christmas Eve. It is amazing!!! Thanks!

  10. Hi! Can’t wait to make this dish for Christmas eve tomorrow!

    What size cast iron did you use to photograph? Love the look in the cast iron!


  11. One of our favorites. A combination of swiss and gruyere keeps the costs down. And all swiss is decent if you can not find gruyere.

  12. OMG!!!
    Just made the dip….and had to take myself out of my kitchen…or I’d have eaten THE WHOLE THING!!!The cheese mixed in w/ the sr. cream and mayo gives this dish such depth! Along w/ the caramelized sweet onions and crumbly bacon… its a delight!I cannot WAIT to try it…[and I hope I can]!👍👍👍👍👍👍👍👍👍👍

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