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Black Walnut Extract substitute

Best substitute

Black walnuts, toasted and finely ground

Use ⅓ cup finely chopped or ground black walnuts for every 1 tsp extract

Best for black walnut cake

Different texture

Use 1 to 1 1/2 teaspoons of ordinary walnut extract per teaspoon of black walnut extract, plus 1 teaspoon of dark molasses or 1/4 teaspoon of instant coffee to bring back the earthy bitterness that plain walnut lacks. Ground toasted black walnuts are the real answer, and 1/4 teaspoon of almond extract will at least make a cake read as a nut cake.

Other black walnut extract substitutes

Ranked, with the exact amount to use

Substitutes for Black Walnut Extract with ratios

  1. 2Walnut extract plus molasses

    Different taste

    Use 1 to 1 ½ tsp walnut extract + 1 tsp dark molasses for every 1 tsp black walnut extract

    Ordinary walnut flavouring, corrected for the depth it is missing.

    What changes
    Best for
    layer cakes, frostings, fudge, cookies, quick breads

    This is the practical swap. Plain walnut extract is much gentler and sweeter, more generically nutty, and a black walnut cake made with it tastes pleasant and anonymous rather than distinctive. Molasses or black treacle puts back the dark, slightly bitter earthiness, and a quarter teaspoon of instant coffee granules does the same job if you would rather not add extra sweetness. Use a little more walnut extract than the recipe's black walnut quantity, since it is the weaker flavouring.

  2. 3Toasted English walnuts ground fine, with molasses

    Taste and texture differ

    Use ⅓ cup ground toasted walnuts + 1 tsp dark molasses for every 1 tsp extract

    The pantry version, using the walnuts you can actually buy.

    What changes
    Best for
    cakes and loaves, fudge, cookies, streusel toppings

    Better than walnut extract alone, because real nut fat and toasted bitterness get you part of the way to black walnut's assertiveness. Toast the nuts at 175C or 350F for eight to ten minutes until they smell strongly nutty and the skins darken, and do not skin them, since the skins carry the tannic bitterness you want here. The result is still noticeably milder and sweeter than genuine black walnut, and it is a good cake.

  3. 4Almond extract, used very sparingly

    Different taste

    Use ¼ tsp almond extract for every 1 tsp black walnut extract

    Nothing like black walnut in flavour, but it does the same structural job in a cake.

    What changes
    Best for
    layer cakes, buttercream, pound cake, fudge

    Be clear about what this is: almond extract tastes of marzipan and cherry stone, which is the opposite end of the nut spectrum from black walnut's earthy bitterness. What it shares is the ability to turn a plain butter cake into something that reads as a nut cake rather than a vanilla cake. Use a quarter of the amount or less, because almond extract dominates everything it touches and half a teaspoon in a single cake is already a lot.

  4. 5Maple extract or dark maple syrup

    Different taste

    Use ½ tsp maple extract, or 1 tbsp dark maple syrup for every 1 tsp black walnut extract

    A woodsy, sweet alternative that people genuinely like in the same recipes.

    What changes
    Best for
    fudge, frostings, quick breads, penuche and pralines

    Maple and black walnut share a woodsy register, and maple slots into black walnut recipes convincingly, especially fudge and frosting. It is sweeter and has none of the bitter edge, so the result tastes cosier and less grown-up. If you use the syrup rather than the extract, reduce another liquid in the recipe by a tablespoon.

  5. 6There is no true substitute

    Different taste

    Order the extract or the frozen nuts

    The honest answer for a recipe that is named after black walnut.

    What changes
    Best for
    black walnut cake, black walnut fudge, black walnut ice cream

    Black walnut is one of the genuinely irreplaceable flavours in American baking. There is no other nut, extract or spice that tastes winey, earthy and faintly bitter in that particular way, and everyone who grew up eating it will know instantly that it is missing. Every option above gives you a good cake. If the black walnut is the point, the extract keeps essentially forever in the cupboard and frozen nuts keep for a year, so it is worth ordering for next time.

What is Black Walnut Extract?

Black Walnut Extract is Black walnut extract, also labelled black walnut flavouring or essence, is a strong flavouring made from the American black walnut, a native nut with a far more earthy, winey and slightly bitter flavour than the mild English walnuts sold in supermarkets.

Cooking tips

  • Black walnut extract is far stronger than vanilla and much stronger than plain walnut extract. Half a teaspoon flavours a whole layer cake, and a full teaspoon can tip into something soapy and medicinal, so start low even when the recipe says otherwise.
  • Use it alongside vanilla, not instead of it. One teaspoon of vanilla with half a teaspoon of black walnut extract is the classic Southern balance, and the vanilla rounds off the bitterness so the nut flavour reads rich rather than harsh.
  • The flavour survives baking well and actually improves overnight as it settles into the crumb, so black walnut cakes are better made a day ahead and kept covered at room temperature.
  • Do not reduce the sugar in a black walnut recipe. The nut carries real bitterness and tannin, and the sugar is what makes that read as depth rather than as a fault.
  • If you buy black walnuts in the shell, wear gloves and work outside. The husks stain hands, worktops and clothes a stubborn brown, which is why almost everyone buys them already shelled and frozen.

Frequently asked questions

What is the difference between black walnut and regular walnut?

They are different species. English or Persian walnuts, the ones in every supermarket, are mild, buttery and slightly sweet. American black walnuts are much more assertive, with an earthy, winey, almost tarry note and real bitterness. Swapping one for the other in a recipe is not a small change, it is the difference between a nut cake and a black walnut cake.

Can I substitute regular walnuts for black walnuts?

You can, and the bake will be good but noticeably milder and sweeter. Toast them well and leave the skins on for bitterness, and add a teaspoon of dark molasses or a quarter teaspoon of instant coffee to the batter to push the flavour darker. It will still not fool anyone who knows black walnut.

Can I just leave it out?

In a recipe where black walnut is one flavour among several, such as a hummingbird cake or a spiced loaf, yes, and it will simply taste a little less complex. In a cake or fudge named after black walnut, leaving it out means you have made something else, so substitute rather than omit.

How much black walnut extract should I use?

Around 1/2 teaspoon for a two-layer cake or a batch of fudge, plus a teaspoon of vanilla, is a good starting point. Some old recipes call for a full teaspoon or more, which suits people who grew up with the flavour and tastes overpowering to everyone else.

Where do I buy black walnut extract?

Many American supermarkets stock it in the baking aisle next to the vanilla and almond extracts, and baking suppliers and online retailers carry it reliably. Frozen shelled black walnuts turn up in the freezer section in the autumn and winter in the regions where the trees grow.

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