Skip to content

Fermented Corn Dough (Kenkey / Banku Dough) substitute

Best substitute

Store-Bought Fermented Corn Dough (Frozen or Vacuum-Packed)

Use the same amount as the fermented corn dough (kenkey / banku dough) you are replacing

Best for kenkey

Close match

African grocers sell ready-made corn dough in tubs and vacuum packs, sometimes labelled kenkey dough or banku mix. It is the actual ingredient, already soured, and it saves you two or three days.

Other fermented corn dough (kenkey / banku dough) substitutes

Ranked, with the exact amount to use

Substitutes for Fermented Corn Dough (Kenkey / Banku Dough) with ratios

  1. 2Masa Harina Plus Yogurt or Lemon Juice

    Different taste

    For 2 cups of dough: 2 cups masa harina, about 1 ¾ cups water, plus 3 tablespoons plain yogurt or 2 tablespoons lemon juice; rest 30 minutes

    The best fast option, because masa harina is already fine-milled corn that hydrates into a smooth cohesive dough rather than a gritty one, and the acid supplies an immediate tang.

    What changes
    Best for
    banku, kenkey in a hurry, akple, when you have no time to ferment

    What you lose is the deep, complex, faintly cheesy sourness that days of lactic fermentation builds; the yogurt version tastes sour on the surface only. Masa is also nixtamalized, so it carries a distinct lime-treated corn aroma that reads Mexican rather than Ghanaian.

  2. 3Fine White Cornmeal Fermented at Home

    Close match

    Use the same amount for the finished dough weight; add 2 tablespoons plain live yogurt per 3 cups of cornmeal-and-water batter and leave 2 to 3 days

    This is not really a substitute, it is the traditional method with a shortcut starter.

    What changes

    Mix fine white cornmeal with warm water to a thick batter, stir in live yogurt or the liquid from a previous batch, cover loosely, and stir once a day until it smells sharply sour.

    Best for
    kenkey, banku, ogi and akamu, anyone who wants the real flavour

    Needs nothing but a bowl and time, and the flavour is genuinely right, which no same-day method achieves. Ferment somewhere warm, around 75 to 85 F; a cold kitchen sours it slowly and can let it go musty instead.

  3. 4Cornmeal Plus Sourdough Starter Discard

    Different taste

    Use 1 cup starter discard for every 3 cups of cornmeal-and-water dough, left 12 to 24 hours

    A clever shortcut if you already keep a starter, because you are borrowing an established culture instead of waiting for one to establish itself.

    What changes

    Sours the dough properly in under a day.

    Best for
    banku, kenkey, same-week fermentation

    The sourness is real and well developed but comes with a wheat-bread aroma that is not part of kenkey's profile, and the discard makes the result no longer gluten-free. Use a mature, tangy starter rather than a young sweet one.

  4. 5Cornmeal Plus Buttermilk, No Fermentation

    Taste and texture differ

    Use the same amount replacing the water in the dough with buttermilk

    The no-wait option that still tastes of something.

    What changes

    Buttermilk brings immediate mild acidity and a little dairy richness, and it hydrates cornmeal into a slightly softer dough.

    Best for
    banku on a weeknight, akple, cornmeal porridges

    The tang sits on top of the corn rather than running through it, and the texture is a little grainier and less stretchy than fermented dough. Perfectly good eating, clearly not kenkey.

  5. 6Plain Cornmeal With Lemon or Lime Stirred In (Honest Least-Bad Option)

    Taste and texture differ

    Use the same amount plus 1 tablespoon lemon or lime juice per 2 cups of dough

    You will end up with a firm maize porridge, essentially unfermented, closer to polenta or ugali than to kenkey or banku.

    What changes

    It will be a decent starch to eat with soup or stew.

    Best for
    eating with soup or stew, when there is nothing else in the house

    Nothing here reproduces the sourness that defines these dishes; the acid gives a bright surface tang, not depth. If sour maize is the whole reason you are cooking, ferment properly instead or buy ready-made dough.

What is Fermented Corn Dough (Kenkey / Banku Dough)?

Fermented Corn Dough (Kenkey / Banku Dough) is Fermented corn dough is soaked, milled white maize left to sour for one to three days, and it is the base of Ghanaian kenkey and banku as well as Nigerian ogi and akamu.

Cooking tips

  • The banku and kenkey stir is a workout and it matters. Cook the dough over medium heat pressing and folding continuously with a stiff wooden spatula for 15 to 25 minutes, until it turns glossy, stretchy and pulls cleanly away from the pan. Under-stirred dough tastes raw and gritty.
  • Kenkey traditionally has its dough split: half is par-cooked into a stiff aflata and then worked back into the raw half. That step is what gives the finished ball its texture, so do not skip it if you are following a kenkey recipe.
  • Banku is corn dough plus cassava dough, usually around 3 parts corn to 1 part cassava. With corn alone the result is firmer and less stretchy, and 2 tablespoons of tapioca starch per cup of dough restores some of the missing stretch.
  • Taste the dough as it ferments and stop when the sourness is where you want it, then refrigerate. It keeps souring in the fridge, just much more slowly, so plan to use it within a few days.
  • Judge the ferment by smell. Sharply sour like yogurt or sourdough is right. Discard it if it smells alcoholic or solvent-like, or if you see pink, orange, black or fuzzy growth on the surface, and always cook the dough through before eating it.

Frequently asked questions

Can I use masa harina for banku or kenkey?

Yes, and it is the most reliable quick substitute. Masa harina hydrates into a smooth, cohesive dough that stirs up much like the real thing, and mixing yogurt or lemon juice into the water gives you a tang in half an hour. The difference is depth: fermentation builds a complex, almost cheesy sourness that added acid cannot imitate. Masa also brings its own nixtamalized corn aroma.

How long does corn dough take to ferment?

Usually one to three days at room temperature, and warmth is the main variable. In a warm kitchen around 80 F with a spoonful of live yogurt to start it, it can be pleasantly sour in 24 hours and properly sour in 48. In a cold kitchen it can take four days and is more likely to develop off flavours along the way. Stir it daily and taste from day one.

Can I use polenta or grits instead?

You can, with an adjustment in expectation. Polenta and grits are coarser and usually yellow, so the result is a coarser, sweeter, more obviously corn-forward mush, and it will not be smooth or stretchy. Fine white cornmeal is much closer to what Ghanaian corn dough is milled from. If coarse is all you have, grind it finer in a blender first.

Can I skip the fermentation entirely?

You can cook unfermented cornmeal dough and eat it happily with soup, but you will not have made kenkey or banku. The sour flavour is not a garnish on these dishes, it is their identity, in the same way sourness is the identity of sourdough bread. Adding acid at the end gets you a bright surface tang and none of the depth.

How do I know if my corn dough has gone bad?

Good fermenting dough smells sharply and cleanly sour, like plain yogurt or a sourdough starter, and looks uniformly pale with perhaps a little liquid on top which you can stir back in. Throw it out if it smells alcoholic, solvent-like or of ammonia, or if there is any pink, orange, black, blue or fuzzy growth on the surface. When in doubt, discard it; a new batch costs pennies.

Related substitutes

More grains & starches substitutes

Need a different ingredient?

Browse the full index, or the rest of this category.