French Onion Dip
by Sommer Collier — last updated on May 28, 2025 
Best French Onion Dip Recipe – Homemade onion dip is easy to make from scratch with caramelized onions, sour cream, and just a few simple spices. The flavor of this cool and creamy dip is deeply savory, sweet and tangy – and way better than anything from a packet!
Sommer’s Recipe Notes
This Homemade French Onion Dip recipe is easy to make and SO irresistible. If you love store-bought French onion dip, and you love the quick-made kind with a packet of onion soup mix and sour cream, you will absolutely adore our made-from-scratch version with fresh caramelized onions.
Why We Love French Onion Dip
This French onion dip is bold and zesty with a deep, rustic flavor. The onion flavor comes from two sources: caramelized sweet onions and onion powder for extra depth of flavor. Because shouldn’t an onion dip be super duper extra onion-y? We think so!
Once you caramelize the onions, this is a simple dump-and-stir recipe that gives you full quality control. So it’s a rich, delicious, and wholesome dip you can feel good about serving at parties, enjoying as a snack, and using as a spread on sandwiches and wraps.
Ingredients You Need
- Sweet onion – finely diced
- Butter – unsalted
- Sour cream – or greek yogurt
- Mayonnaise – regular or low fat
- Spices – onion powder, garlic powder, salt and pepper
Possible Add-ins –
We love this classic onion dip recipe as-is. But there are a few fun ways to take the flavor up a notch, if you like!
- Fresh dill or fresh chives – sprinkled on top
- Smoked paprika – add with the spices for a smoky flavor
- Hot sauce – mix in your favorite spicy sauce to add a nice kick of heat
- Beef base – stir in a smidge of beef concentrate with the sour cream and mayo
How to Make French Onion Dip from Scratch
Find the full Onion Dip recipe with ingredient proportions, detailed instructions, and storage tips in the printable form at the bottom of the post.
Pro Tip: Make sure to cook the onions low and slow for about 15 to 20 minutes. You may even want to reduce the heat to keep them cooking at a delicate temperature. It’s important that the onions don’t burn around the edges, so they have a very sweet caramelized flavor.
Serving Suggestions
Serve cool and creamy French onion dip with crunchy potato chips, crackers, or thick pretzels. And fresh veggies like cut carrots, cucumber slices, slices of bell peppers, and celery sticks are always great to pair with cold dips!
The thick, rich dip is also delicious to use as a spread on sandwiches and wraps. Try it on BLTs, steak sandwiches, chicken wraps, or even as a jazzy burger topping.
Frequently Asked Questions
Don’t rush the process! Beautifully golden, sweet, and savory caramelized onions take time and patience. Even if it takes up to 20 minutes, I promise the depth of flavor you get is SO worth every second!
Serve this dip chilled for the best flavor and rich, scoopable consistency.
Store caramelized onion dip in the fridge for up to 5-7 days in an airtight container.
No, I do not recommend freezing this dip. The creamy base does not hold up well to being frozen and thawed.
Looking for More Dips & Spreads Recipes? Be Sure to Try:
French Onion Dip Recipe
Ingredients
- 3 cups sweet onion finely diced
- 2 tablespoons butter
- 16 ounces sour cream
- 1/3 cup mayonnaise
- 2 teaspoons onion powder
- ½ teaspoon garlic powder
- Salt and pepper
Instructions
- Set a large skillet or sauté pan over medium-low heat. Add the butter and diced onion. Salt and pepper the onions liberally. Stir and caramelize the onions until very soft and golden brown, about 15 to 20 minutes. *Make sure to cook the onions low and slow. You may even want to reduce the heat to keep them cooking at a delicate temperature. It's important that the onions don't burn around the edges so they have a very sweet caramelized flavor.
- Once the onions are soft, golden-brown, and reduced in size, turn off the heat and allow them to cool completely before proceeding.
- Once the onions are completely cooled, mix in the sour cream, mayonnaise, onion powder, garlic powder, ½ teaspoon of salt, and a ¼ teaspoon of cracked black pepper. Mix well.
- Scoop the French onion dip recipe into an airtight container and chill for at least 2 hours before serving. This time allows the flavors to mix and mingle so that the onion dip has a deep robust onion flavor.
Notes
- Fresh dill
- Smoked Paprika
- Hot Sauce
- Beef base
So simple and SO delicious. This is my new go-to dip.