Caramelized Onion Dip

This caramelized onion dip is a creamy homemade onion dip made with real onions cooked low and slow until sweet, golden, and jammy. It has all the familiar flavor of classic French onion dip, but tastes richer and fresher because it’s made from scratch instead of a soup mix packet. Serve it with potato chips, crackers, pita chips, or fresh vegetables for an easy make-ahead party appetizer.

Skip the Packet – Make This Instead!

The reason this dip tastes so good is simple: the onions are doing the heavy lifting. Instead of relying on a soup mix packet, you’ll cook fresh onions until they turn golden, sweet, and almost jammy, then stir them into a cool tangy base. It gives the dip real onion flavor without making it taste overly salty.

This is also a great recipe to make ahead because the flavor gets better after it sits in the fridge. Make it earlier in the day, pull it out when guests arrive, and serve it with chips, crackers, or crunchy vegetables.

Looking for more easy cold dip recipes? Try my Italian Hoagie Dip, Million Dollar Dip, or Cold Spinach Artichoke Dip too!

Key Ingredients

Here are the ingredients that matter most in this caramelized onion dip:

Complete list of ingredients and amounts can be found in the recipe card below.

• Yellow Onions: Use 1 pound of yellow onions, about 2 large, 3 medium, or 4–5 small onions. Dice them small so they caramelize evenly and mix easily into the dip.
• Butter and Olive Oil: Butter adds flavor, while olive oil helps prevent the butter from browning too quickly as the onions cook.
• Sour Cream and Mayonnaise: This combination makes the dip creamy, tangy, and scoopable. Full-fat works best.
• Dijon Mustard and Worcestershire Sauce: These add savory depth and balance the sweetness of the caramelized onions.
• Garlic Powder and Smoked Paprika: Garlic powder adds flavor without overpowering the onions. Smoked paprika adds a little depth, but you can leave it out for a more classic onion dip.

How to Make Caramelized Onion Dip

The only part of this recipe that needs patience is the onions. Cook them over medium-low heat until they soften, release their moisture, and turn golden brown and jammy, about 30-40 minutes. Add a splash of water if the pan gets dry or the onions start sticking.

Once the onions have cooled, stir them into the creamy base and chill the dip before serving. The chilling time helps the onion flavor blend into the dip.

Tips for Better Caramelized Onions

• Use the right pan. A stainless steel or cast iron pan gives the onions better browning than a nonstick pan. Scrape up the browned bits as they form; they add a lot of flavor to the dip.
• Keep the heat moderate. Cook the onions over medium-low heat for 30–40 minutes, stirring often. They should soften, shrink, and turn golden brown and jammy. If they brown too quickly, lower the heat.
• Add water if needed. If the pan looks dry or the onions start sticking, add a small splash of water and scrape the bottom of the pan. This helps prevent burning while keeping the browned flavor.
• Optional: deglaze with wine. For extra depth, add 2 tablespoons of dry white wine near the end of cooking and stir until it mostly evaporates.

Make Ahead and Storage

This caramelized onion dip tastes best after it has chilled for at least 1 hour, so it’s a great make-ahead appetizer. Store it in an airtight container in the refrigerator for up to 3 days, and stir before serving.

I don’t recommend freezing onion dip because the sour cream and mayo base can separate after thawing.

What to Serve with Caramelized Onion Dip

Potato chips are the classic choice for caramelized onion dip, especially sturdy ridged chips that can hold up to the thick, creamy texture. You can also serve it with crackers, pita chips, pretzels, tortilla chips, toasted baguette slices, carrots, celery, cucumbers, or bell pepper strips.

For outdoor parties, keep the dip cold by serving it in a bowl set over ice, or put it out in smaller portions and refill as needed. You can also use this dip as a spread for burgers, sandwiches, or wraps.

Did you make this? Be sure to leave a review below and tag me on Facebook, Instagram, or Pinterest!

Recipe

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Caramelized Onion Dip

Prep Time: 10 minutes mins

Cook Time: 35 minutes mins

Chill Time: 1 hour hr

Total Time: 1 hour hr 45 minutes mins

Author: Diana

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Print Rate Recipe

This caramelized onion dip is creamy, savory, and made with real onions cooked low and slow until sweet, golden, and jammy. It’s a rich homemade onion dip that tastes better than packet dip and makes an easy make-ahead appetizer for chips, crackers, and vegetables.

8 Servings

This caramelized onion dip is creamy, savory, and made with real onions cooked low and slow until sweet, golden, and jammy. It’s a rich homemade onion dip that tastes better than packet dip and makes an easy make-ahead appetizer for chips, crackers, and vegetables.

Recipe Video

Equipment

• Large stainless steel skillet or cast iron skillet
• Chef’s knife and cutting board
• wooden spoon or spatula
• Measuring cups and spoons
• Mixing Bowl

Ingredients 

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For the onions:

• ▢ 2 tablespoons (30 ml) extra-virgin olive oil
• ▢ 2 tablespoons (28 g) unsalted butter
• ▢ 1 pound (450 g) yellow onions finely diced – about 2 large, 3 medium, or 4–5 small onions
• ▢ ½ teaspoon fine salt divided

For the dip:

• ▢ 1 cup (240 ml) full-fat sour cream
• ▢ ¼ cup (63 g) mayonnaise
• ▢ 2 teaspoons (10 g) Dijon mustard
• ▢ 1 teaspoon Worcestershire sauce
• ▢ ½ teaspoon freshly ground black pepper
• ▢ ½ teaspoon garlic powder
• ▢ 1 teaspoon smoked paprika optional

For serving:

• ▢ 2 tablespoons sliced fresh chives or chopped parsley for garnish
• ▢ Potato chips, crackers, pita chips, or vegetables

Instructions 

• Warm the oil and unsalted butter together in a large heavy skillet over medium heat until the butter melts.
  
• Add the diced onions and ¼ teaspoon salt, stirring to coat.
  
• Reduce heat to medium-low and cook, stirring every few minutes, until the onions are deep golden brown, soft, and jammy, about 35 minutes. Add a splash of water if they begin sticking.
  
• Remove the skillet from heat and let the onions cool for 10 minutes. Transfer to a bowl.
• Add the sour cream, mayonnaise, Dijon mustard, Worcestershire sauce, black pepper, garlic powder, smoked paprika if using, and remaining ¼ teaspoon salt. Stir until smooth.
  
• Cover and chill for at least 1 hour to let the flavors meld.
  
• Transfer the dip to a serving bowl, garnish with chives or parsley, and serve with potato chips, crackers, pita chips, or vegetables.

Notes:

• For a lighter dip: Use ¾ cup sour cream and ½ cup plain Greek yogurt instead of the sour cream and mayonnaise.
• Storage: Store in an airtight container in the refrigerator for up to 3 days. Do not freeze.

Nutrition Information

Serving: 2tablespoons without potato chips, Calories: 186kcal, Carbohydrates: 7g, Protein: 2g, Fat: 17g, Saturated Fat: 6g, Polyunsaturated Fat: 4g, Monounsaturated Fat: 6g, Trans Fat: 0.1g, Cholesterol: 27mg, Sodium: 225mg, Potassium: 138mg, Fiber: 1g, Sugar: 4g, Vitamin A: 398IU, Vitamin C: 5mg, Calcium: 46mg, Iron: 0.3mg

This website provides approximate nutrition information for convenience and as a courtesy only. Nutrition data is gathered primarily from the USDA Food Composition Database, whenever available, or otherwise other online calculators.

© Little Sunny Kitchen