Chocolate and
cocoa are derived from cocoa or cacao beans. When the beans are fermented,
roasted, and ground, the resulting product is called chocolate liquor, which
contains a white or yellowish fat called cocoa butter.
Cocoa
Cocoa is the
dry powder that remains after part of the cocoa butter is removed from
chocolate liquor. Dutch process cocoa, or dutched cocoa, is processed with an
alkali. It is slightly darker, smoother in flavour, and more easily dissolved
in liquids than is natural cocoa.
Natural cocoa
is somewhat acidic. When it is used in such products as cakes, it is possible
to use baking soda (which reacts with acid) as part of the leavening power.
Dutched cocoa,
on the other hand, is generally neutral or even slightly alkaline. Therefore,
it does not react with baking soda. Instead, baking powder is used as the sole
leavening agent. If you are substituting dutched for natural cocoa, you must
increase the baking powder by 1 ounce for each ½ ounce soda omitted.
If not enough
soda is used in chocolate products, the colour of the finished product may
range from light tan to dark brown, depending on the quantity used. If too much
is used, the colour will be reddish brown. This colour is desired in devil’s
food cakes but it may not want in other products. When switching from one kind
of cocoa to another, you may have to adjust the soda in your recipes.
Unsweetened or Bitter Chocolate
Unsweetened
chocolate is straight chocolate liquor. It contains no sugar and has strongly
bitter taste. Because it is molded in blocks, it is also referred to as block
cocoa or cocoa block. It is used to flavour items that have other sources of
sweetness.
Unsweetened
chocolate is also known as bitter chocolate. Do not confuse this product with
bittersweet chocolate, which category of sweetened chocolate with low sugar
content.
Sweet Chocolate
Sweet chocolate
is bitter chocolate with the addition of sugar and cocoa butter in various
proportions. If the percentage of sugar is low, sweetened chocolate may be
called semisweet or, with even less sugar, bittersweet. Both of these products
must contain at least 35% chocolate liquor, and their sugar content ranges from
35 to 50%. A product labelled sweet chocolate may contain as little as 15%
chocolate liquor.
Because sweet
chocolate has only half the chocolate content of bitter chocolate, it is
usually not economical to add it to products that are already highly sweetened
because twice as much will be needed.
Good quality
chocolate products – including not only dark chocolate but also milk chocolate
and white chocolate – are often called couverture, which means “coating” in
French. When couverture is used to coat candies, cookies, and other products,
the chocolate must be prepared by a process called tempering.
Milk Chocolate
Milk chocolate
is sweet chocolate to which milk solids have been added. It is usually used as
a coating chocolate and in various confections. It is seldom melted and then
incorporated in batters because it contains a relatively low proportion of
chocolate liquor.
Cocoa Butter
Cocoa butter is
the fat pressed out of chocolate liquor when cocoa is processed. Its main use
in the bakeshop is to thin melted couverture to a proper consistency.
White Chocolate
White chocolate
consists of cocoa butter, sugar, and milk solids. It is used primarily in
confectionary. Technically, it should not be called chocolate, because it
contains no cocoa solids. However, the name white chocolate is in common use.
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