Chocolate Series | How to Temper Chocolate
I previously posted on how to make chocolate truffles from simple ganache and the easiest way to
coat them. The professional way of finishing a truffle is to cover it with a thin layer of couverture chocolate. Aside from it looking prettier, there are many reasons for wanting to do this. To
successfully coat items with a thin layer of chocolate, one must know how to temper it. Tempering is
the process of heating, cooling, and re-heating chocolate to achieve a desired state, which allow us
to be able to work with it properly.
Why do we Temper Couverture Chocolate?
The goal is to take manufacturers blocks or chips of quality couverture chocolate and turn them
into your own personalized delicacies. By using tempered chocolate, it allows you to coat candies or
pastries, make molded and filled chocolates, or create any imaginable shape, showpiece, or
decoration. Chocolates structure is quite complex, and if you simply melt it and allow it to harden,
you will not wind up with a glossy end product. By going through the tempering process, the finished
result will be aromatic, aesthetically pleasing, hard, and although it will have a good snap when you
break it or bite into it, it will luxuriously melt in your mouth. Proper tempering encourages
chocolate to shrink as it sets, so molded chocolates will release easily from their slots. Tempered
chocolate also helps to extend the shelf life of products.
Improperly tempered chocolate results in many disasters. Chocolates can become stuck in molds
because it cannot contract. It can turn streaky gray, develop fat bloom quickly, be gritty, or
melt quickly when you handle it. It is a headache and waste to spend all that time creating a tasty
center and not get the finished product out of its mold. For all of these reasons, it is important to
know how to temper.
Chocolate's unique structure has six different fat crystals. Two of those are stable and are
responsible for producing glossy, hard chocolate. The remaining four crystals are unstable. If
chocolate is not tempered properly, those four crystals dominate the entire mass and make it
impossible to work with.
I have been avoiding this post for a while because I knew it would difficult and lengthy to
explain, which you will understand if you make it to the end of this post.
No matter what
you read, there is no magic formula that will make it work for you every time. I will try my best to
explain the process, but nobody would expect someone to pull off perfectly tempered chocolate on the
very first try. It is not solely about having temperature guidelines and away you go. A big part of
tempering chocolate has to do with the environment of the kitchen you are in, and since that easily
fluctuates, you just have to practice going through the tempering curves to know what to look for
during each stage.
There are three steps to tempering chocolate: melting, cooling, and reheating. It seems easy, right?
Chocolate, however, is very temperamental and you can either love or hate working with it. Some days,
I hate it. Its funny how I was never really stressed out years ago while working with chocolate
this
is because I wasnt aware of all the reasons one should temper!
When I look back, I can thankfully say that my chocolate eating and my chocolate making skills
have evolved. Years ago, when I ran a small chocolate-making business out of my home, I will admit, I
didnt really know what I was doing, in terms of technical chocolate making. I picked up books,
gathered recipes, tweaked them, and away I went. I didnt push myself to develop a more advanced line
of chocolates, because I was happy with the end results. Im not tooting my own horn, but I think one
of the reasons I didnt bother to research more technical ways of doing things was because I always
got excellent feedback from my customers. My chocolates tasted great, looked pretty, and were
beautifully packaged. I think a lot of it had to do with the care I put into it. All the truffles I
made were based on simple ganaches, which were rolled in different toppings. They did not have a
protective layer of couverture chocolate around them.
When I think back to those chocolate making days, I giggle. I never really understood why my
chocolates came out glossy, and at other times they had a matte finish. I didnt investigate the reason
why - all I knew was that they tasted yummy. Knowing what I know now (and there is so much more to
learn), I get a kick out of looking back and understanding why things worked and why they didnt.
When I broke up large sheets of nut bark, sometimes they would have a clean, hard, snap, and
sometimes they didnt.
The importance of tempering obviously wasnt something that I was aware of back then. Even though
I took an amateur chocolate course at the Le Cordon Bleu in Paris, I was a bit lost in translation. I
had a semi-decent translator for the most part, because I was the only English-speaking person there.
I remember the Chef demonstrating the temperature curve of the tempering process, but the focus in
that course was more on putting the pieces we built together. If I would have caught on a bit more,
it might have made my life a little easier when I was back in my own kitchen, twisting and slamming
flexible plastic molds to get the morsels of chocolate out of them. I drove my brother crazy during
those years with all of the noise of banging molds.


Recently, I made a bunch of chocolates to give to our family. I put the task off until crunch
time, because I wanted the centers to be as fresh as possible. Unfortunately, the days that I was
forced to make them turned out to be the hottest days so far this year in Vancouver. I couldn't get good air
circulation through my kitchen to keep things cool, so, in turn, it was a chore to keep my own cool!
Frustratingly, I managed to temper the chocolate, although, I had to go through the motions a few
times. I had lost the tempering range because my kitchen was so hot. It made me think of the pastry
chefs out there who encounter the challenge of dealing with the heat from culinary kitchens, baking
ovens, and steam. Quite often pastry chefs have little space in which to work and need to be able to
adapt to the environment. When the ideal room temperature for working with chocolate is between
68-72ºF (20-22ºC), and my kitchen was hovering around 84ºF (29ºC), things got tricky.
In the end, I managed to make the chocolates, but it wasnt the least stressful round ever. To not
drive myself completely crazy, I wound up scaling back from 10 flavors to 5. My end products were
acceptable, and although I could tell it wasnt my best work, nobody else noticed because, once
again, they tasted delicious. Marcelo actually thought the "bloom" on a few was an intentionally cool
design
what they continue to not know wont hurt them; right?
Lesson learned: if you dont have a
cool kitchen or air-conditioning, and especially if you are a novice at tempering, dont bother
trying this on a hot day.
Methods for Tempering Chocolate
Assuming your kitchen is dry and cool, you are calm and relaxed, your biceps are rearing to go,
and perhaps you have a nice glass of red wine tucked off to the side, you can begin
There are many ways to temper chocolate, however, the three most common and basic methods are: 1)
using a marble; 2) seeding; or, 3) using a cold-water bath. Each method has their pros and cons. On a
marble, extra beneficial conching (agitating the chocolate) is performed, but this method can be
messy, as you are required to pour a portion of melted chocolate on to a marble and work it around
using tools, such as offset spatulas, to cool it down. If you aren't coordinated, the chocolate could
wind up all over the place.
If you are using large amounts of chocolate, the seeding method is useful. Here, bits of chocolate
are slowly added to the melted chocolate to bring the temperature down. However, you can wind up with
lumps in the chocolate if you dont know when to stop adding. What is funny is that in those old
chocolate-making days, I unintentionally used the seeding method of tempering without knowing it. It
worked beautifully!
I think the easiest method for home use is the cold-water bath method. It is the fastest, but it
involves working with chocolate's number one enemy - water. The utmost of care must be taken with
this procedure, as just one tiny droplet of water or steam will cause your entire bowl of chocolate
to seize and render it completely useless. So, be careful, and most of all, be patient. This task can
be very trying!
Equipment Required:
- Bain marie
- Medium-sized stainless-steel bowl
- Cold-water bath that your medium-sized bowl fits into
- Two clean, dry towels
- Large spatula
Step 1. Melting the Chocolate
To successfully temper chocolate, you must start off with a healthy amount, a minimum of 2 to 3
pounds. The more chocolate you use, the greater control you will have over fluctuating temperatures. Place the bowl of evenly chopped chocolate (or the manufacturers chips) over a bain marie
that has barely simmering water. Make sure to adjust the water level so that the bowl does not touch
the water underneath, and keep an eye on it to replenish so it doesnt completely evaporate. Evenly
chopped chocolate will melt evenly over a shorter period of time. Stir often. Low temperatures must be used when
melting and reheating chocolate, as all types of chocolate scorch easily; milk and white chocolate
have a higher milk solid content than dark, and will scorch at lower temperatures. Stir often, as
chocolate loves to be stirred.
With practice, you will recognize the chocolates appearance to determine what stage it is at.
Each of the 6 fat crystals melt at different temperatures, so you need to heat it well enough to
ensure everything is broken down. To avoid scorching, do not exceed these temperatures.
Dark chocolate: Melt to 115-120ºF (46-49ºC)
Milk or white chocolate: Melt to 110-115ºF (43-46ºC)
Step 2. Cooling Chocolate and Promoting Crystallization
Be careful when you take the bowl of chocolate off of the bain marie, as there will be water
droplets attached to the bottom of the bowl. I always set the bowl on a towel and wipe it dry.
Carefully place it into the cold-water bath and continually stir, scraping down the sides and the bottom
of the bowl. You will need to keep moving the bowl in and out of the cold-water bath to slowly and evenly
bring down the temperature. Again, wipe any water away from the exterior of the bowl. If you dont
scrape the sides of the bowl, hard chunks of chocolate will form and it will be harder to work with
and melt out evenly during the next phase. Keep stirring, be patient, and keep your hands dry. You
should see the chocolate getting thicker.
Dark chocolate: Cool to 80-82ºF (26-28ºC)
Milk or white chocolate: Cool to 78-80ºF (25-26ºC)
Step 3. Reheating to the Working Range
Moving on and off the bain maire, while constantly stirring and being careful of water droplets,
gently increase the heat of the chocolate as follows.
Dark chocolate: 87-90ºF (30-32ºC)
Milk chocolate: 86ºF (30ºC)
White chocolate: 82ºF (28ºC)
At this point, you will need to test the chocolate to see if you have successfully tempered it.
There are many ways to do this. You can dip an offset spatula
into the chocolate and set it
aside. You can use a small piece of parchment, or a metal pastry tip
, and dip either in the
chocolate and set aside, or you can simply drizzle some onto a granite counter top or marble. The
chocolate should firm up and be glossy within a minute or two. If it sets really fast, your chocolate
may be a bit too cold. No worries there. Momentarily put it back on the bain marie and stir
but be
careful. You dont want to exceed the temperatures mentioned above and fall out of the temper range.
If the chocolate doesnt set at all, you havent been successful in going through the stages, and
will have to start all over again yes, all over again. The chocolate will have to be brought back
to the melting temperature, cooled down, and reheated. That is the only way to properly form the
crystal structure, and this is where frustration can set in.
These temperatures are guidelines, and your environment plays a huge roll in the success of
tempering. It is best to not get accustomed to using a thermometer, as they are not always accurate
and different brands of chocolate have different tempering ranges. By continuing to go through the
process, you will start to recognize what the chocolate should look like, how it feels when you are
stirring it, and the viscosity of how it drapes over what you are covering. It all takes time,
practice, and most of all, patience. Did I mention patience?
Dipping Chocolates and Ganache
The viscosity of tempered chocolate is crucial when coating chocolates. If the chocolate is too
cold, it will not drape and conform to the shape of whatever you are trying to cover. You will wind
up with a thick and goopy mess. As you are dipping items, you will have to shift from dipping to
placing your bowl of tempered chocolate on and off the bain marie, to keep it at a consistent working
temperature. Once you have reached that tempered stage, you also have to work to keep it there!
Keep in mind, if you are dipping ganache that has a high butter content, or if you are dipping a
butter cream center, and your chocolate is too hot, part of the center will melt, ruining both the
shape of the candy and the supply of tempered chocolate.
Dipping cold items can also throw tempered chocolate out of whack and the coating can cool too
quickly, creating a fat bloom on your chocolate. The drastic change in temperature can alter the
finished appearance. When starting out, try to dip items that are at room temperature.
Fat Bloom Versus Sugar Bloom
There are two kinds of bloom: fat and sugar, both of which are unappealing. Fat bloom creates
unattractive gray streaks on the surface of chocolate. This can be caused by improperly heating and
cooling chocolate during processing, or the chocolate has been stored at too warm a temperature. The
emulsion breaks down and the fat begins to melt and separate from the mixture. Think of a chocolate
bar that has been left in a hot car. When it solidifies, it most likely will have streaks of gray on
it, and the chocolate will not snap because it is out of temper. While fat bloom doesn't affect the
taste of chocolate, it doesnt look as pretty. Here are some truffle shells that have developed fat
bloom while in storage. You can still use them because they will eventually be covered with
couverture anyway.

Sugar bloom occurs when the chocolate has been exposed to too much moisture in storage. This is
one of the reasons you should not store chocolate in the refrigerator. Sugar bloom can appear like
fat bloom but the chocolate can feel gritty. You can still use sugar-bloomed chocolate in recipes,
but it is much harder to temper for couverture use.
Some chocolate info:
- If a droplet of water splashes into your bowl do not stir it. You can try to save the bowl of
chocolate by scooping out a large area around the water droplet to try and salvage what remains.
- Don't keep the chocolate on the cold-water bath for long periods of time. Put it on and take it off to bring the temperature down slowly.
- When stirring chocolate, avoid incorporating excess air into the mass, which makes the chocolate
thick and unmanageable.
- When working with all types of chocolate, the ideal room temperature is between 68-72ºF (20-22ºC)
with low humidity.
- Never heat over 49ºC (120ºF) since it may cause the cocoa butter to break down and make proper
tempering extremely difficult.
- A serrated knife works well to chop chocolate blocks into small, even pieces.
- Every type and variety of chocolate tempers slightly differently. High quality chocolate will
display the recommended temperature curve on its packaging.
- High quality chocolate uses quality cocoa beans and quality processing techniques. The longer
chocolate is conched (stirred and agitated), the more luxurious and expensive it is.
- What does 60/40 mean? Manufacturers of high quality chocolate will display the grade on the
package. 60/40 means that there is 60 percent cocoa solids and 40 percent sugar in the mixture. If
the mixture contains less than 60 percent cocoa components, the couverture is considered semisweet.
If it is higher, it will be classified as extra bitter (i.e., 70/30). Milk chocolate has
approximately 36 percent cocoa solids.
- The total fat content affects the viscosity of the couverture. For chocolate to be classified as
couverture, it must have a minimum of 31 percent cocoa butter. The higher the total fat content, the
greater the viscosity. Protect the chocolate that you love by supporting the current standard.
- Dark chocolate contains cocoa butter, cocoa mass, and sugar. Milk chocolate contains cocoa
butter, cocoa mass, milk solids, and sugar.
- White chocolate is really not chocolate. It contains cocoa butter, milk solids, emulsifiers,
sugar, and vanilla. There are no cocoa solids in white chocolate.
Want more blog entries?
Here are a few relevant posts on chocolate:
Enjoy and feel free to comment and share your experiences, add more tips, and info to this list!
Tagged as: [
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Posted by Kimberley Slobodian on June 09, 2007
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