The difference between whipped icing and buttercream

Written by chelsea hall
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The difference between whipped icing and buttercream
From basic to fancy, there are endless ways to ice a cake. (Jupiterimages/ Images)

A moist and tender cake is satisfying and delicious, but what most of us remember is the sweet, creamy icing on top. Whether you make it yourself or buy it from the supermarket, icing adds both decadence and whimsy to cakes. Icing (or whipped icing) and buttercream are two of the most common ways to decorate a cake, and though they are similar, there is a key ingredient that distinguishes the two.

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Icing is a simple mixture of any liquid (lemon juice, maple syrup, coffee or water) and confectioner's sugar. Because it doesn't contain protein (eggs, butter), icing will harden more quickly and taste sweeter than buttercream. Whipped icing is created by incorporating air into the icing using beaters or a stand mixer with a whisk attachment. Whipped icing is lighter and easier to spread, but will still dry hard.

The difference between whipped icing and buttercream
Peppermint extract can be added to icing for Christmas biscuits. (Jupiterimages/Comstock/Getty Images)


Buttercream is a type of icing that most bakeries use when icing cakes; it is a rich and creamy type of icing that only hardens slightly and keeps for just a few days. There are several variations of buttercream. Simple or American buttercream is made by beating softened butter and confectioner's sugar together to reach the desired consistency. French buttercream calls for egg yolks, while Italian buttercream uses boiled sugar that is beaten into whipped egg whites, and custard-based buttercream involves pastry cream or custard. Whatever the technique, the common thread is that butter is always beaten into the product, which makes it a buttercream.

The difference between whipped icing and buttercream
Wedding cakes are often iced with buttercream and covered in fondant. (Ciaran Griffin/Stockbyte/Getty Images)

Whipped Icing vs. buttercream

The basic difference is whether butter is incorporated. It makes icing creamy, buttery and rich, while omitting it creates a sweeter, stiffer icing that is more similar to a glaze. Many supermarkets sell pre-made icings in tubs, and offer both whipped and buttercream varieties. The whipped variety is a light and fluffy icing, ready for spreading while the buttercream refers to the flavour of the icing. If you want your cake to have an icing that tastes rich and creamy, always opt for buttercream.

Icing tips

Make a decadent chocolate icing using ganache. Over a double boiler, heat 2 tbsp unsalted butter and 177 ml (3/4 cup) heavy whipping cream to boiling, then immediately pour it over 227 g (8 oz). chopped semi-sweet chocolate. After a few minutes, stir the cream and chocolate together until shiny. Dip cupcakes into the ganache or drizzle decoratively over a cake. After the ganache cools, you can whip until fluffy using a hand mixer for a lighter icing. If you buy your icing at the supermarket and wish to fortify the flavour, add an extract like orange or almond, fold in chopped strawberries or pistachios, or whip in a coffee-flavoured liquor. Doing this is an easy way to put a personal touch on shop-bought icing.

The difference between whipped icing and buttercream
A piping bag can be used to create a scalloped edge with icing. (Jupiterimages/liquidlibrary/Getty Images)

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