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Homemade Caramelized Onion Dip (With Sour Cream)

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Made from combining creamy mayonnaise with sour cream, crispy fried onions and zesty Worcestershire sauce, this homemade caramelized onion dip is the perfect appetizer for your next party or gathering.

homemade caramelized onion dip (the best chip dip)

If you are looking for a dip that’s easy to make and tastes delicious, you’ve come to the right place.

This homemade caramelized onion dip is a staple at my annual Super Bowl party.

It’s the perfect chip dip.

But also goes really well with veggies or pretzels.

And it tastes even better if you make it the day before, giving the flavors more time to blend.

Which is great for reducing stress when you’re getting ready for a party.

Ingredients

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caramelized onion dip ingredients - onion, mayonnaise, butter, sour cream, worcestershire sauce, garlic powder, cayenne, salt, pepper

This recipe makes about 1½ cups of dip.

Here is your shopping list:

  • Produce – 2 yellow onions, chives or scallions (optional – for garnish)
  • Dairy – 4 tablespoons butter, 1 cup of sour cream
  • Condiments – ½ cup mayonnaise, 1 teaspoon Worcestershire sauce
  • Spices – ¼ teaspoon cayenne, ¼ teaspoon garlic powder,
  • Seasoning – ½ teaspoon salt, ¼ teaspoon black pepper

Substitutions

  • For a healthier version, you can use Greek yogurt instead of the sour cream.
Bowl of caramelized onion dip on a plate with chips

How to make caramelized onion dip

Prep work

Dice 2 yellow onions.

Make sour cream mixture

Sour cream, mayonnaise, cayenne, garlic powder, Worcestershire sauce, salt and pepper in a mixing bowl

Add 1 cup sour cream, ½ cup mayonnaise, ¼ teaspoon cayenne, ¼ teaspoon garlic powder, 1 teaspoon Worcestershire sauce, ½ teaspoon salt and ¼ teaspoon pepper to a medium mixing bowl.

Stir to combine

Sauté onions

Chopped onions with butter in a frying pan

Melt the butter in a small skillet over medium heat.

Add the chopped onions.

Caramelized chopped onions in a frying pan

Cook until they are golden brown, stirring often.

Combine

Mixed caramelized onion dip in a bowl with a spoon

Add the browned onions to the mayonnaise and sour cream mixture. 

Stir until well combined.

Chill

Cover and chill in the refrigerator for at least 2 hours or overnight.

Leaving it in the refrigerator longer will allow the flavors to blend, making it taste even better.

Serve

An overhead picture of a plate of chips with a bowl of caramelized onion dip in the middle

Just before serving, sprinkle with chopped chives or scallions for garnish, if desired.

Serve with chips or veggies or both.

If the dip will be sitting out for more than 2 hours, you should put the dish in a bowl of ice. This will keep it from going bad.

Storage

Caramelized onion dip can be stored in an airtight container in the refrigerator for up to 5 days.

It tends to separate after a couple of days, so it may need to be stirred before serving.

A bowl of caramelized onion dip in front of a plate of chips and a glass

Frequently Asked Questions

How long does homemade caramelized onion dip last in the fridge?

It can be stored in an airtight container for up to 5 days. Give it a stir before serving to re-combine.

Can you freeze caramelized onion dip?

No, the mixture becomes grainy after thawing and has an un-appetizing texture.

How long can you leave dip unrefrigerated?

Dips that contain dairy (such as this caramelized onion dip) should not be left out for more than 2 hours without chilling.

What to serve with caramelized onion dip?

Chips, veggies and pretzels all go really well with this dip.

Other dip recipes you might like

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