Caramelized Onion Dip

Why You’ll Love This Recipe

• Sweet, umami-packed flavor from slow-cooked caramelized onions.
• Creamy, indulgent texture perfect for chips, veggies, or sandwiches.
• Flexible you can make it ahead, adjust the cream base, or customize with herbs and spices .

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• Vegetable oil: 1 tablespoon (or a mixture with butter)
• Large onion: 1, thinly sliced
• Butter: 2 tablespoons
• White sugar: 2 tablespoons (or as needed)
• Sour cream: 1 cup
• Plain yogurt: 1 cup
• Mayonnaise: ½ cup
• Salt and ground black pepper: to taste

Directions

1. In a large skillet, heat the vegetable oil (and optionally butter) over medium heat. Add the thinly sliced onion.
2. Sprinkle sugar over the onions and reduce the heat to medium–low. Cook slowly, stirring occasionally, until the onions are deeply golden and caramelized this usually takes between 30 to 60 minutes .
3. Let the onions cool slightly, then roughly chop them.
4. In a bowl, combine sour cream, plain yogurt, and mayonnaise until smooth.
5. Stir in the caramelized onions and season with salt and black pepper to taste.
6. Chill the dip for at least 1 hour to meld flavors (optional, but recommended).

Servings and timing

• Prep time: ~10 minutes
• Cook time: 30 to 60 minutes, depending on how deeply caramelized you like the onions
• Chill time: Optional, at least 1 hour for better flavor melding
• Total time: Approximately 1 hour (plus chill time)
• Servings: Makes about 3–4 cups—serves 8 to 12 people as a party dip

Variations

• Use cream cheese for a thicker, richer version .
• Replace yogurt or mayo with Greek yogurt or crème fraîche to lighten the base .
• Add Worcestershire sauce, garlic powder, cayenne, or a splash of wine, broth, or vinegar during caramelization for added depth .
• Garnish with fresh chives, parsley, or a drizzle of olive oil for brightness .

Storage/reheating

• Refrigerator: Store in an airtight container; stays fresh for 3 to 5 days, though many sources note it’s best enjoyed within about 4 days .
• Make-Ahead: Great for prepping a day in advance flavors intensify as it chills .
• Reheating: If warmed, gently reheat caramelized onions before mixing; dip can be warmed in oven or microwave just until soft though typically served chilled or at room temperature .

FAQs

How long does the dip keep in the fridge?

Up to 3–5 days in an airtight container best consumed within that timeframe .

Can the dip be frozen?

Freezing isn’t recommended; texture may suffer. Make ahead and refrigerate instead .

Can I make it ahead of time?

Absolutely. Making it a day in advance allows flavors to develop fully .

What’s the best onion caramelization method?

Cook low and slow keep heat medium–low, stirring occasionally for 30–60 minutes until richly golden and fragrant .

Should I add sugar?

Optional natural onion sugars work well, but a little white sugar can enhance caramelization .

Can I deglaze the pan?

Yes use wine, broth, or vinegar near the end for added flavor .

Can I make a lighter version?

Yes substitute Greek yogurt for mayo or sour cream, or use crème fraîche .

What can I serve it with?

Perfect with potato chips, pita chips, crackers, pretzels, veggie sticks, or even as a sandwich spread .

How can I add a kick?

Mix in garlic powder, cayenne, red pepper flakes, or hot sauce.

Does it thicken when chilled?

Yes chilling will thicken the dip; simply let it soften to room temp for easier dipping .

Conclusion

This homemade Caramelized Onion Dip is elegant, comforting, and endlessly versatile perfect for parties or casual snacking. With easy prep, ability to advance prep, and endless flavor variations, it’s sure to be a crowd favorite every time. Let me know if you’d like pairing ideas, baking it warm with cheese, or lighter substitutions!

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