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Homemade Black Walnut Extract for Baking

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Baking· The Kitchen

18 Oct

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This homemade black walnut extract will elevate your baking with deep walnut flavor. See how to make this old-fashioned flavoring from foraged black walnuts.

There was a time when a bottle of black walnut flavored extract was a common ingredient in the spice cabinet. It has fallen out of favor over the years and has been discontinued by the major brands. It is difficult to find a pure black walnut extract without added ingredients and artificial flavors in the grocery store or online.

 

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You can make your own homemade baking extracts by extracting and infusing the flavor in alcohol. Vanilla extract is the most used extract in the kitchen, and we showed you how to make your own with only two ingredients: See Homemade Vanilla Extract.

Since we had an abundance of black walnuts from last year, I thought I’d make black walnut extract for holiday baking and gift giving. Black walnut extract is excellent for times when you want a boost of deep, earthy walnut flavor in baked goods.

Ingredients for Making Black Walnut Extract

This recipe for black walnut extract uses just three ingredients:

Black Walnuts

Black walnuts come from a type of walnut tree (Juglans nigra) that is native to many parts of the US and Canada. The flavor of black walnuts is much more intense than its cousin, the English walnut. Black walnuts have an earthy, deep walnut flavor that stands out in many old-fashioned recipes.

  • How to Harvest and Preserve Black Walnuts

If you don’t have a black walnut tree nearby, you can purchase shelled black walnuts online.

Vodka

Just plain old cheap vodka is ideal for making baking extracts because it has a neutral taste that won’t interfere with the flavor of the infusing ingredient. The alcohol prevents bacteria from growing making the extract shelf stable for years. Select a clear vodka that is at least 80 proof (40% ABV) with no added flavorings.

Bourbon

In this recipe, adding a little bourbon whiskey to the infusion gives it an extra boost of oaky flavor that complements the deep nutty black walnut taste.

The liquor in extracts cooks off when baked, but if you are adding the baking extract to coffee or tea, you may want an alcohol-free version. You can substitute the alcohol with a food grade vegetable glycerin with good results.

How to Make Black Walnut Extract for Baking

Step 1: Gather your ingredients and equipment

  • shelled black walnuts
  • vodka
  • bourbon
  • 16 ounce sized jars with lids
  • large skillet
  • storage jars

Step 2: Toast the black walnuts

Heat a heavy skillet over medium heat. Add the black walnuts and stir frequently until the walnuts are fragrant and golden brown, about 5 minutes.

closeup of black walnuts in a skillet

Step 3: Add the ingredients to a jar

Add the toasted black walnuts to a clean quart sized jar. Add the vodka and bourbon. Cover tightly and give the jar a shake to combine the ingredients.

closeup view of pouring the bourbon into a jar

Step 4: Extract the black walnut flavor

Label and date the jar, and place in a cool, dark location for at least 2 months to extract the flavor of the black walnuts. Shake the jar occasionally during this time.

cover of the jar with a lable

Step 5: Strain the black walnut extract

After 2 months, strain out the walnuts from the liquid using a fine mesh strainer. Discard the walnuts or use immediately in a baked goods recipe. The walnuts will be soft but intensely flavored with bourbon. Strain the liquid again through a coffee filter for a clearer extract.

black walnuts in a strainer

Step 6: Store the black walnut extract

Pour the strained extract into a clean jar or bottle and store in a cool, dark location. Extracts don’t spoil, but the flavor diminishes over time.

Use black walnut extract in baking recipes where you want a deep walnut flavor. Simply substitute the vanilla extract with walnut extract for a nutty twist.

Homemade extracts make great gifts, too! I love these mini vintage milk bottles.

Print Pin

Homemade Black Walnut Extract for Baking

This homemade black walnut extract will elevate your baking with deep walnut flavor. See how to make this old-fashioned flavoring.
Course Pantry
Cuisine American
Keyword black walnut extract for baking
Prep Time 15 minutes minutes
Infusing Time 60 days days
Total Time 60 days days 15 minutes minutes
Servings 36 teaspoons
Calories 20kcal

Ingredients

  • 1/2 cup shelled black walnuts
  • 1/2 cup vodka (80 proof minimum)
  • 1/4 cup bourbon whiskey

Instructions

  • Heat a large skillet over medium heat. Add the black walnuts and toast until the walnuts are fragrant and golden brown, about 5 minutes. Stir frequently to prevent scorching.
  • Place the toasted black walnuts in a clean jar.
  • Pour the vodka and bourbon into the jar. Cover and give the jar a good shake to mix.
  • Label and date the jar. Place it in a dark, cool location for at least 2 months. Shake the jar occasionally during this time.
  • After 2 months, strain out the walnuts from the liquid using a fine mesh strainer. Pour the extract into a clean jar. Discard the walnuts or use immediately in baked goods.
  • Use the homemade black walnut extract in your favorite recipes to add a deep, toasted walnut flavor. Yields about 3/4 cup.

Nutrition

Calories: 20kcal

Related Posts

  • Do you have black walnut trees nearby? See how to take advantage of this foraged food by learning when to harvest and how to hull, cure, and store black walnuts.
    How to Harvest and Preserve Black Walnuts

It is difficult to find a pure black walnut extract without added ingredients and artificial flavors in the grocery store or online. Visit to see how to make your own with this homemade black walnut extract recipe.

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6 Comments

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Comments

  1. ELLEN says

    February 26, 2020 at 10:25 am

    Hello. Thanks for the recipe! I was just wondering the measuremnts for the vodka to bourbon ratio in the quart jar. Thanks!

    Reply
    • ImaginAcres says

      February 27, 2020 at 5:18 pm

      I would double everything for a quart jar. Use 1 cup of shelled black walnuts, 1 cup vodka, and 1/2 cup bourbon whiskey.

      Reply
  2. Robyn says

    October 15, 2021 at 11:21 am

    Instead of vodka, do you think Everclear would work?
    Thank you!
    Robyn

    Reply
    • ImaginAcres says

      March 8, 2022 at 11:26 am

      Robyn, I haven’t tried it, but everclear should work. It can be used to make vanilla, so I don’t think it would function much differently. Please let me know the results if you give it a try,

      Reply
  3. Sarah says

    December 25, 2021 at 5:59 pm

    Thank you so much for this recipe. Black walnut extract is a staple in an old family recipe and is incredibly hard to find. I plan to make this to gift to my family next year for the start of the holiday baking season! Do you know how long this will stay good for and is there a preferred method of storing? Thank you again!

    Sarah

    Reply
    • ImaginAcres says

      March 8, 2022 at 11:30 am

      Sarah, If kept in a cool, dark location, black walnut extract should last a year or two. It doesn’t go bad, but the flavor diminishes over time.

      Reply

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