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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. Love it!
    I made it without bacon and sautéed the onions in butter.
    I served it with baguette baked with rosemary butter!

  2. Amazing! This was a HIT! I have made it several times. One time I switched out the bacon for shredded chicken and it was even better! I highly recommend!

  3. This is an amazing go to recipe for catering events or just a small party with friends . It is always a hit .

  4. I’ve made this dip for several years now, and everyone always loves it. The only thing I do differently, is I roughly chop the onions instead of slicing, because I think it’s easier to ‘dip.’ Recipe is perfect though. Love it!

  5. I made this for Christmas Eve. It was a huge hit! I will double it next time and add more Tabasco. Thank you for this recipe it will become a family tradition 😊😊

    1. Debbie,
      I am wondering about the instruction saying to put all those ingredients into a “2 cup baking dish” ?
      Surely it makes more than that.

      1. Based on quantities in the recipe it looks like +/- 2 cups. You could easily double or triple it tho.

  6. This dish was such a hit. It’s one of the best appetizers I’ve ever made. Make SURE you get those onions good and caramelized. It will knock your guests’ socks off!

  7. I have been making this for years and it is always a smash hit with everyone, raving and asking for the recipe!

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