Elevate your game day spread with this rich and savory Homemade French Onion Dip, featuring deeply caramelized onions and a perfectly seasoned creamy base. It is the ultimate party appetizer that pairs perfectly with crispy, golden homemade potato chips for a snack that puts store-bought versions to shame.
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🧅 The Ingredients
This recipe relies on a handful of simple, high-quality pantry staples that are transformed through slow-cooking into a rich and deeply flavorful masterpiece. Find ingredient notes (including substitutions and variations) below.
📝 Ingredient Notes and Substitutions
- Onions: Yellow onions are the standard choice for their balanced flavor, but Vidalia or other sweet onions work beautifully for a milder, sweeter dip. Ensure they are finely diced so the dip is easy to scoop.
- Butter and Olive Oil: Using a combination of both allows for the rich, nutty flavor of butter. At the same time, the oil helps prevent the milk solids from burning during the long caramelization process.
- Sour Cream: For the best texture and flavor, full-fat sour cream is highly recommended. If you want a lighter version, you can substitute plain Greek yogurt, though it will be slightly tangier.
- Mayonnaise: This provides a silky richness that balances the tang of the sour cream. If you prefer to omit it, simply replace the measurement with additional sour cream.
- Worcestershire Sauce: This is the “secret ingredient” that adds a savory, umami depth. If you don’t have it on hand, a teaspoon of soy sauce or balsamic vinegar can be used as a substitute.
- Garlic Powder: Powdered garlic is used here because it incorporates smoothly into the cold base; fresh minced garlic can often be too pungent and sharp when left to sit in a dip.
- Chives: Freshly snipped chives offer a bright finish. If they aren’t available, the green tops of scallions (green onions) make an excellent substitute.
Refer to the recipe card (with video) below for a full list of ingredients and measurements.
📌 Tips and Tricks for the Perfect Dip
- Practice Patience: True caramelization cannot be rushed. If you try to cook the onions on high heat, they will burn and become bitter rather than sweet and jammy. Keep the heat low and slow.
- Deglaze the Pan: If you notice a dark brown film (called fond) building up on the bottom of your skillet, add a tablespoon of water or beef broth and scrape it up with a wooden spoon. That film is concentrated flavor that you want back in your onions!
- Cooling is Crucial: Never mix warm onions directly into the sour cream and mayo base. It will cause the dairy to break down and result in a thin, watery dip. Let the onions reach room temperature first.
- Make it Ahead of Time: This is a rare dish that actually tastes better the next day. Making it 24 hours in advance allows the onion and Worcestershire flavors to permeate the creamy base fully.
- The “Dip-ability” Factor: If the dip feels too thick after chilling, stir in a teaspoon of milk or heavy cream at a time until it reaches your desired consistency.
- Season at the End: Salt levels can shift as flavors meld. Always give the dip one final taste test right before serving to see if it needs an extra crack of black pepper or a pinch of salt.
- Temper the Dip: For the best texture, take the dip out of the refrigerator about 15 minutes before serving. This softens the base slightly, making it easier to scoop with a chip without it breaking.
👩🏼🍳 How to Make Homemade French Onion Dip
- Step 1: Heat the butter and oil over medium-low heat and add the finely chopped onions. Stir every 5 to 10 minutes.
- Step 2: Stir in the sugar, salt, pepper, Worcestershire sauce, and garlic powder. Cook until the onions are caramelized, about 45 to 60 minutes. Remove from the pan and let them cool completely.
- Step 3: In a large bowl, add the sour cream, mayonnaise, garlic powder, salt, and pepper.
- Step 4: Stir the sour cream and mayo until smooth. Add the cooled caramelized onions.
- Step 5: Stir until combined. Cover with plastic wrap and chill for at least 2 to 4 hours.
- Step 6: Transfer to a bowl and garnishwith snipped chives.
Expert Tip
For a truly restaurant-quality depth of flavor, deglaze your skillet with a splash of dry sherry or beef broth once the onions have reached a deep mahogany color. This process lifts the concentrated, browned bits (the fond) from the bottom of the pan and incorporates them back into the onions, resulting in a more complex, savory profile that mimics a classic French Onion Soup.
🙋🏽♂️ Frequently Asked Questions
Yes, it is highly recommended! Making it at least 24 hours in advance allows the caramelized onion flavors to fully develop and meld with the creamy base. Just keep it stored in an airtight container in the refrigerator until you are ready to serve.
When stored properly in an airtight container, it will stay fresh for 3 to 5 days. Be sure to give it a good stir before serving, as some natural separation may occur.
Freezing is not recommended. Because the base is made of sour cream and mayonnaise, the texture will become grainy, and the ingredients will separate once thawed, losing that signature creamy consistency.
Yellow onions are the most common choice because they have a high sugar content and a robust flavor that stands up well to long cooking. However, Vidalia or Walla Walla sweet onions are also excellent if you prefer a slightly sweeter finished product.
Most of the ingredients are naturally gluten-free, but you should always check the label on your Worcestershire sauce. Some brands use barley malt vinegar, which contains gluten. If you are serving guests with a sensitivity, look for a certified gluten-free brand.
This usually happens if the onions were still warm when they were added to the sour cream, or if the onions weren’t cooked long enough to evaporate their moisture. Ensure your onions are jammy and fully cooled to room temperature before mixing.
🫕 More Delicious Dips to Make at Home
Ready to make the best dip in town?
Go for it! And when you do, be sure to take a photo of it, post it on Instagram, and tag @HowToFeedaLoon and hashtag #HowToFeedaLoon!
Homemade French Onion Soup
Video
Equipment
- 1 Large pot cast-iron and Dutch oven both work well
Ingredients
For the Caramelized Onions
- 1 tablespoon olive oil
- 3 tablespoon unsalted butter
- 3 large yellow onions finely chopped
- 1 teaspoon sugar
- 1 teaspoon Kosher salt
- 2 teaspoon Worcestershire sauce
For the Dip
- 16 oz sour cream
- ¼ cup mayonnaise
- 1 teaspoon garlic powder
- ½ teaspoon Kosher salt
- ½ teaspoon black pepper
- 1 tablespoon chives snipped, for garnish (optional)
- potato chips for serving
Instructions
Caramelize the Onions
- In a large skillet or Dutch oven, heat the oil and butter over medium-low heat. Stir in the onions, sugar, and salt. Stir every 5 to 10 minutes, for about 45 to 60 minutes, until they turn a deep, mahogany brown. In the last 5 minutes of cooking, stir in the Worcestershire sauce. If they start to stick, add a splash of beef broth or water to de-glaze the pan (this adds even more flavor).1 tablespoon olive oil, 3 tablespoon unsalted butter, 3 large yellow onions, 1 teaspoon sugar, 1 teaspoon Kosher salt, 2 teaspoon Worcestershire sauce
- Once the onions are jammy and dark brown, remove them from the heat. Use a spoon to transfer them to a bowl to completely cool. You can place them in the fridge to expedite this. Do not add warm onions to the sour cream/mayo mixture!
Make the Dip
- In a medium bowl, stir the sour cream, mayonnaise, garlic powder, salt, and pepper until smooth. Add the cooled caramelized onions and stir until fully combined.16 oz sour cream, ¼ cup mayonnaise, 1 teaspoon garlic powder, ½ teaspoon Kosher salt, ½ teaspoon black pepper
- Cover the bowl with plastic wrap and chill in the fridge for 2 to 4 hours, or even better, overnight.
- 15 to 20 minutes before serving, remove the dip from the fridge and give it a good stir. Place in a serving bowl and garnish with snipped chives (if desired) and plenty of potato chips or cut veggies.1 tablespoon chives, potato chips
Notes
- Don’t Rush the Onions: The key to this dip is the caramelization. It can take anywhere from 45 to 60 minutes to reach that deep mahogany color. Keep the heat low to prevent the onions from burning or becoming bitter.
- Cool Completely: Ensure the caramelized onions are at room temperature before mixing them into the dairy base. Adding hot onions will cause the sour cream to break down and result in a thin, watery consistency.
- Make Ahead: For the best flavor, prepare the dip at least 4 hours (or up to 24 hours) before serving. This allows the savory onion flavor to fully infuse into the cream.
- Storage: Store leftovers in an airtight container in the refrigerator for up to 5 days. Stir well before serving.
- Serving Tip: If the dip is too firm after chilling, let it sit on the counter for 15 minutes to soften slightly, or stir in a teaspoon of milk to reach your desired consistency.
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