How To Make Alton Brown’s Onion Dip At Home

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This Thanksgiving, experience the unforgettable combination of American cuisine and French flavors. Alton Brown’s onion dip is a way to enliven an American dip with the delight of French onion soup. This light and scrumptious Thanksgiving dip has yellow onions cooked with mayonnaise and sour cream. 

French Onion dip with chips

Alton Brown’s onion dip has onions seasoned with salt and white pepper. These onions are cooked in a pot and mixed with sour cream and mayonnaise. You can enjoy this dip with snacks, chips, and many other sides. This dip is perfect to be enjoyed at the Thanksgiving feast. It’s deglazed with Sherry vinegar and combined with spices like garlic powder and pepper. It can stay in the refrigerator for about 2 to 3 days. 

Let’s begin with the recipe for Alton Brown’s onion dip. Start off by reading the lists for equipment and ingredients mentioned below. You must have all of these available at hand so that the recipe turns out to be as delicious as described below. 

What Equipment Will You Need For Alton Brown’s Onion Dip?

  • Bowl- Use a medium-sized bowl to combine all the ingredients of the onion dip. 
  • Pot-  To cook the onions for the onion dip, you need a large pot. In case you don’t have a pot, use a saucepan or a skillet. 
  • Spatula- Stir the onions and combine them with other ingredients using a spatula. 
  • Spoon- Use a spoon to add the ingredients like spices, cream, or mayonnaise, etc, to the bowl and to the pot containing onions.

How Much Time Do You Need To Make Alton Brown’s Onion Dip?

Preparation TimeCooking TimeTotal Time
5 Minutes30 Minutes35 Minutes

What Ingredients Will You Need For Alton Brown’s Onion Dip?

  • Onions- Peel and thinly slice four large yellow onions for onion dip. 
  • Baking soda- Baking soda causes onions to soften quickly and helps in giving a nice texture to the onion dip. 
  • Kosher salt- You’ll need a tablespoon of kosher salt for this recipe. Kosher salt gives a mild seasoning flavor to the dip. 
  • Sugar- Add a tablespoon of dark brown sugar to balance the flavors of the dip and to add sweetness to it. Dark brown sugar also adds color to the dip. 
  • Olive oil- Use a one-fourth cup of olive oil to cook the onions for this recipe. 
  • Sherry vinegar- Add a few drops of Sherry vinegar to deglaze the onions. Sherry vinegar caramelizes the onions with a sweet and tart flavor. 
  • Sour cream- Add sour cream to add depth to the flavors of the onion dip and to make it creamy smooth. 
  • Mayonnaise- Mayonnaise will add more flavor and give a nice creamy texture to the dip. 
  • Garlic powder- Garlic powder adds a mildly spicy seasoning flavor to the dip. 
  • White pepper- Season the onion dip with freshly ground white pepper to enhance the flavor and to add some heat to the dip. 
Alton Brown's onion dip with chips

Steps To Make Alton Brown’s Onion Dip

1. Gently Season The Onions

Add thinly sliced onions to a large pot. Add dark brown sugar, pepper, salt, and baking soda to it. Toss the onions in the pot and let them rest for about 10 minutes. 

Set the pot over high heat and drizzle some olive oil in the pot. Cook the onions until they’re golden brown in color and then, reduce the heat to medium. Cook further for about 15 minutes. 

2. Deglaze The Onions

Deglaze the onions with sherry vinegar and water. Reduce the heat to low and continue to stir. Scrap up all the bits of onion from the bottom of the pot. Remove from the heat when the onions are dark golden brown in color and are reduced by 1.5 cups in volume. Keep it aside to cool completely. 

3. Combine With Mayonnaise And Pepper

Add a half cup of caramelized onions to a medium-sized bowl. Combine with mayonnaise, sour cream, garlic powder, and white pepper. Cover the bowl tightly with plastic wrap and refrigerate it for at least an hour before serving. 

Nutritional Information

Calories314 kcal
Carbohydrates8 g
Protein2 g
Fat31 g
Saturated Fat8 g
Polyunsaturated Fat10 g
Monounsaturated Fat11 g
Trans Fat1 g
Cholesterol31 mg
Sodium1077 mg
Potassium149 mg
Fiber1 g
Sugar5 g
Vitamin A283 IU
Vitamin C4 mg
Calcium64 mg
Iron1 mg

How Will Alton Brown’s Onion Dip Look and Taste?

So! Try this freshly prepared Alton Brown’s onion dip. It’s filled with creamy onion bites and is filled with the flavors of sherry vinegar, sour cream, mayonnaise, and spices like ginger, pepper, and salt. Sugar adds sweetness to the dip. This dip can amp up the taste of any side dish which makes it a perfect choice to be paired with Thanksgiving recipes. You gotta taste it to believe it. So, try it now! Happy Thanksgiving!

Recipe Card

French Onion dip

Alton Brown’s Onion Dip Recipe

Alton Brown's onion dip has mildly seasoned onion cooked and combined with mayonnaise and sour cream. This onion dip is spiced up by adding garlic powder, salt, and pepper. These onions are deglazed by adding Sherry vinegar. This creamy smooth dip can be enjoyed with any Thanksgiving side dish.
4.60 from 5 votes
Prep Time 5 mins
Cook Time 30 mins
Total Time 35 mins
Course Dips and Sauces
Cuisine American
Servings 8
Calories 314 kcal


Plastic Wrap


  • 4 Yellow Onions (peeled)
  • 1/4 teaspoon Baking Soda
  • 1 tablespoon Kosher Salt
  • 1 tablespoon Dark Brown Sugar
  • 1/4 cup Olive Oil
  • Sherry vinegar (deglazing)
  • 1 1/2 cups Sour Cream
  • 3/4 cup Mayonnaise
  • 1/4 teaspoon Garlic Powder
  • 1/4 teaspoon Freshly Ground White Pepper


  • Transfer thinly sliced onions to a large pot over medium heat. Add dark brown sugar, salt, baking soda, and pepper to it. Toss the onions in the pot for a minute and then let them rest for about 10 minutes.
  • Drizzle some olive oil in the pot and set the pot over high heat. Then, cook the onions. After the onions are golden brown in color, reduce the heat to medium and cook further for about 15 minutes.
  • Deglaze the onions using sherry vinegar and water. Now, reduce the heat to low and continue to stir. Scrap up all the bits of onion from the bottom of the pot and when the onions are dark golden brown in color and are reduced by 1.5 cups in volume, remove them from the heat. Keep it aside to cool completely.
  • Add a half cup of these caramelized onions to a bowl. Combine them with mayonnaise, sour cream, white pepper, and garlic. Cover the bowl tightly with plastic wrap and refrigerate it for at least an hour before serving.



Calories: 314kcal | Carbohydrates: 8g | Protein: 2g | Fat: 31g | Saturated Fat: 8g | Polyunsaturated Fat: 10g | Monounsaturated Fat: 11g | Trans Fat: 1g | Cholesterol: 31mg | Sodium: 1077mg | Potassium: 149mg | Fiber: 1g | Sugar: 5g | Vitamin A: 283IU | Vitamin C: 4mg | Calcium: 64mg | Iron: 1mg
Keyword Alton Brown’s onion dip, American cuisine, Onions
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