Tempering couverture and chocolate correctly
Tempering chocolate and couverture correctly
The seeding method step by step — with the temperature table for dark, milk and white couverture.
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What you'll learn
- Why couverture has to be tempered while supermarket chocolate does not
- Which three temperatures each type of couverture goes through
- How the seeding method works step by step
- How to tell from the pattern whether the couverture is ready
- How the test works and what it tells you
- What cake icing is and when it's the better choice
- How to store chocolate and couverture correctly
- What to do with leftover tempered couverture
Why does couverture need to be tempered at all? To answer that, we first have to clarify the difference between couverture and chocolate — and it's bigger than many people think.
You'll find chocolate in every supermarket. With couverture it already gets trickier. Couverture is high-quality chocolate with less sugar and a considerably higher proportion of cocoa and cocoa butter. It's precisely these two ingredients that make it special — and the reason why it's more expensive and harder to find.
The cocoa butter is also the reason why couverture has to be tempered at all. If you skip it, it sticks in the mould or turns grey. And of course you want a glossy, crisp result.
On this page you'll find the seeding method step by step — the easiest way of tempering chocolate. What can happen if something goes wrong, and what you do then, is covered in detail in [The most common mistakes when working with chocolate or couverture](https://www.minischoggi.ch/blog/rezept/die-haeufigsten-fehler-beim-arbeiten-mit-schokolade-oder-couverture.html).
1The optimal working temperature
Every couverture goes through three stages: melt, cool down, warm up again.
After the final stage the couverture is at the optimal working temperature. Depending on the type, the temperatures differ. If you follow the table, nothing can really go wrong.
| Couverture | Dark | Milk | White |
|---|---|---|---|
| Temperature 1 — melt | 45 °C | 45 °C | 45 °C |
| Temperature 2 — cool down | 28–29 °C | 27–28 °C | 26–27 °C |
| Temperature 3 — work | 32–33 °C | 31–32 °C | 29–30 °C |
To make sure your couverture really is at the right temperature, use a Chocolate thermometer to help. An infrared thermometer measures the surface without contact, an Insertion thermometer measures within the mass — both are more accurate than your finger, and one degree too many decides here between gloss and grey haze.
2The seeding method step by step
Melt two thirds, add one third as drops — that's the whole idea.
With the seeding method, two thirds of the couverture is melted and then seeded with one third couverture drops. We'll go through the example with 900 g of Milk couverture.
Melt two thirds
Put two thirds of the desired amount into the tempering device and set it to 45 °C. With our ideal amount, that's 600 g. Let the couverture melt with the lid closed for 4 to 6 hours.
Add the last third
As soon as the couverture has melted and reached 45 °C, add the last third of drops — with our ideal amount, 300 g.
Stir in and let rest
Stir the drops into the melted couverture and set the tempering device back to 30 °C. Then let the couverture rest, covered, for 5 minutes.
Stir again, wait again
After 5 minutes, stir well and let rest, covered, for another 5 to 10 minutes.
Check the interim state
By now only a few small drops should still be visible. The mass is quite thick and, depending on the type, is 26 to 29 °C. The couverture in the picture is still too thick and needs to be reheated.
Reheat with the heat gun
Reheat the thick couverture with a heat gun until the final temperature is reached — depending on the type, between 30 and 33 °C. Better cautiously and in small stages than too strongly at once: otherwise you'll have to start over.
Without a heat gun: the water bath
If you don't have a heat gun, warm the couverture over a water bath. Put a little water into a pan, bring it to the boil, then turn it down to the lowest setting and warm the couverture in a suitable Bowl over the steam — carefully and not too hot.
Watch for the pattern
The couverture is optimally tempered when you can draw a pattern with a Rubber scraper or Mixing spatula that remains visible on the surface. If it disappears immediately or the mass seems very thick as in step 5, the temperature isn't right yet.
Do the test
Dip a Spatula into the couverture and let the test sample set for 10 minutes at room temperature (at most 24 °C). If the room is warmer, put the sample briefly in the fridge.
Read the result
If the couverture sets quickly and takes on a nice shine, you can carry on working. If it doesn't set, or only partially, the next section explains why.
3When the sample doesn't set
Three images you should know — each means something different.
Grey dots mean: tempered too warm. An even grey haze means: processed too cold. Grey streaks mean: not stirred enough. The fault patterns look similar but come from different things — and each has its own countermeasure.
For couverture that's been tempered too warm, almost always the same thing helps: add a handful of finely chopped pieces of couverture and stir in carefully — about 5 to 10 per cent of the melted amount, so for 500 g that's 25 to 50 g. Wait five minutes until the pieces have melted, stir well again and do a new test. If it still doesn't set, you can add another 5 per cent.
All seven fault patterns with cause and countermeasure are in [The most common mistakes when working with chocolate or couverture](https://www.minischoggi.ch/blog/rezept/die-haeufigsten-fehler-beim-arbeiten-mit-schokolade-oder-couverture.html).
4What really happens when tempering chocolate
Three fats in the cocoa butter, three different melting points — that's why all the effort is needed.
Stearin, palmitin and olein: these three fats make cocoa butter, and thus couverture, so special. They are the reason for that lovely shine. Their melting points lie between 20 °C and 47 °C, and as they cool they solidify into stable and unstable crystal forms.
It's precisely these fat crystals that need to be balanced out — and that's only possible through tempering.
Put more simply: tempering means working the fat components of the cocoa butter so that the couverture releases easily from the mould and, after processing — whether into bars, pralines or hollow figures — gains the desired shine and snap.
If you don't do this, or make a mistake along the way, the couverture sticks in the mould or turns greyish. It doesn't look nice, but it has no effect whatsoever on the taste. If couverture contained no cocoa butter, it wouldn't need tempering — and everything would be simpler.
5When Cake icing is the better choice
There's a solution for every problem — here it's called fat-based icing.
Cake icing is a chocolate-like mass that doesn't need to be tempered. In it, the complex cocoa butter has been replaced by other fats, usually coconut or palm fat. It therefore always has a nice shine, but in terms of taste it doesn't come close to fine couverture.
Accordingly, Cake icing is used above all for coating tortes, pastries and confectionery — but never for high-quality confiserie products such as pralines or Chocolate bars.
You'll find exactly how chocolate, couverture, coating chocolate and fat-based icing differ in [Difference between chocolate, couverture, coating chocolate and fat-based icing](https://www.minischoggi.ch/blog/rezept/unterschied-zwischen-schokolade-couverture-kuvertuere-und-fettglasur.html).
6How to store couverture and chocolate correctly
Light, heat, moisture, foreign odours — chocolate resents them all.
Light
Couverture doesn't tolerate light well. When chocolate comes into contact with air and light, it oxidises: the fat it contains separates, leading to changes in taste and an unpleasant smell.
The cocoa components contain natural substances that slow down oxidation. Chocolate with a high cocoa content is therefore better protected than Milk chocolate. White chocolate contains no cocoa mass at all and accordingly has no protection — it is the most vulnerable. So keep it dark and airtight.
Temperature
Chocolate and couverture are very sensitive to heat. The ideal storage temperature is 18 °C, and it should stay as constant as possible.
Moisture and odour
Couverture is sensitive to moisture and belongs in a dry place.
And it takes on foreign odours very quickly — so never store it near strong-smelling foods. White chocolate in particular attracts foreign odours. It's best to wrap it airtight and make sure the packaging itself is odourless.
If you prefer to eat your chocolate cold: to each their own. But this preference has more to do with the sense of sweetness being dampened by the cold — perfect for cheap, heavily sugared chocolate — than with good storage.
An opened bar in the fridge is exposed to strong temperature fluctuations, plenty of moisture and the smells of everything else in there. There really isn't a worse spot. If you still want to enjoy it cold, put it in only just before eating.
7Storing leftover couverture
Don't throw anything away — leftovers are the best seed material for next time.
Pour out thinly
Pour the still-liquid tempered couverture onto a sheet of baking paper.
Cool down and break
Put the baking paper in the fridge for about 10 minutes — in winter the balcony will do too — until the chocolate has cooled down. Once it's nicely firm and shiny, you can break it into small pieces and melt it down again for your next production, or use it for seeding.
If the chocolate has set unevenly after cooling and has grey patches, that's not a problem at all. Break or cut it into pieces and wrap it airtight until the next time you melt it down.
You just shouldn't use this greyish chocolate for seeding — melting it in the tempering device or over a bain-marie and then seeding it with fresh couverture pieces works perfectly well.
You can also simply leave the couverture in the tempering device. As a block, however, it takes considerably longer to melt down.
8What you'll need for this
One degree too many decides between shine and a grey haze here — and you can't just guess a degree.
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Comments
Frage Kuvertüre
By: Hans-Peter Bumann On 2026-09-29Hallo! Ist das Infrarotthermometer nicht die schlechtere Wahl, da dieses die Temperatur nur an der Oberfläche misst? Kann ich die temperierte Kuvertüre im Temperiergerät lassen und dann wieder aufwärmen um die Pralinen dann damit zu verschließen oder muss ich den ganzen Temperiervorgang nochmals durchführen? Danke für die Rückmeldung.
Schöne Grüße
Hans-Peter
Replied by: Thomas Ramseier On 2026-10-06