Winecraft: An Accidental Wine Experiment

The “experimental” batch is on the left

A couple of months ago, I made a batch of pineapple peel wine and added a yeast slurry that just didn’t seem to take off. It had been refrigerated, slowing the activity. Sometimes, sluggish yeast never really takes off, so I grabbed a fresh container of slurry from the shelf and pitched it in. Then I realized that it wasn’t actually wine yeast…it was bread kvas yeast!

Are you wondering how something like that happens? The explanation is simple: it wasn’t labeled. I typically label each jar of slurry with the type of wine it came from (so I know which flavors it may impart) and the date. Because I had been adding some of the kvas yeast back into the drink at the time of pouring – so I could control how yeasty I wanted it to be – I left it out at room temperature. And unlabeled.

When the wine must had cooled to room temperature, I grabbed the unrefrigerated slurry from the shelf, thinking it would be good and active. I also thought it was from a recent batch of banana wine, and would impart a complementary flavor. In and mixed.

It was only later, when I was looking for the kvas yeast slurry, it had mysteriously disappeared. I then checked the fridge and found the (labeled) banana slurry I thought I’d put in the pineapple peel wine. And realized what had happened.

Despite the mishap, I decided to let this one play out. Some of the possible outcomes:

  • The kvas yeast fails to ferment the must properly, resulting in an utter wine fail
  • The kvas yeast ferments the must, but produces a very low-ABV, but drinkable, wine
  • The kvas yeast produces undesirable flavors in the wine and it’s simply not drinkable

Experiments can teach us something, so we’ll see where this one goes. The kvas yeast is bread yeast, so it’s definitely not ideal for winemaking. Lesson already learned: label everything.

Process improvement: lemon balm wine slurry – labeled!

Wondering how it turned out? I was a little surprised: it cleared to a warm gold, looking very similar to pineapple peel wine made with actual wine yeast. The flavor is where it’s different – it still tastes like “regular” pineapple peel wine, but with a hint of grain, probably rye. The effect is very pleasant, but it adds an almost beer-like note. Fortunately, since pineapple peel typically isn’t a sweet or fruity wine, it works.

It seems that, sometimes, a mishap can have a positive outcome. Cheers!

10 thoughts on “Winecraft: An Accidental Wine Experiment

    1. Great! 😄 Pineapple peel ferments fairly dry and on the crisp side unless you backsweeten. It also has an interesting note that verges on almost savory, but in a very pleasant way. I’m trying some (intentional, lol) experiments with pineapple peel now to see if I can bring a bit more fruit forward. Your blackberry currant sounds like it will be lovely! 🍷

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      1. Black currant wine is really a mainstay here, always turns out well and is usually a hit with friends and company. Have you ever tried to ferment the peels with some champagne yeast? I made a peach champagne once that was quite lovely.

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      2. I bet it is! Do currants grow near you? I have one little plant that produced – wait for it – TWO berries last year. lol! I typically use champagne yeast for making pineapple peel (or regular pineapple) wine – but haven’t tried making peach yet. 🍑 I recently opened a honeysuckle wine from this past May and it was like a delicately perfumed prosecco (including bubbles) – can’t wait for the honeysuckle to bloom again this year!

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      3. Honeysuckle wine? That sounds like a dream! And with bubbles! We have many currant bushes that I have started. You can basically take a cutting in the spring and stick it in the ground and the currant bush will start going. I typically use rooting hormone and baby them, because I am like that. We usually have so many currants that we end up giving some away, and of course the birds make sure they get their share 😉

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      4. Honeysuckle wine is definitely a delicious way to use “weeds”! 😁 I’d like to propagate some trees from cuttings – I have a big mulberry tree that I planned to take cuttings from (even got the rooting hormone already). Having that kind of currant abundance must be a wonderful problem! The birds get their share of the mulberries, too. 😆

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      5. That’s cool – I’ll have to see if there’s any knotweed around here! I think people would really be surprised at how good wildcrafted wine and beer (and jam, etc.) can be. Mulberries are delightful…but we had a really poor crop last year because it was so hot and dry. I may have to start watering the poor thing if the conditions are similar this year.

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      6. It was also great in muffins and cake, it has a similar taste to rhubarb (which I make wine from). Last year was a terrible year for growing food for us too! I am hoping the weather is much better this year!

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