Can I change white sugar for brown sugar in a sponge cake?
It happens a lot: you are about to make a cake, you look at the recipe, open the pantry and discover that you don't have white sugar, but you do have a packet of brown sugar. The temptation to change one for the other seems reasonable, and in many cases it is. The problem is thinking that the result will be exactly the same. It won't.
Not because one is right and the other is wrong, but because sugar not only sweetens. It also influences the texture, color, moisture and structure of the dough. And when we talk about brown sugar, there is a detail that changes the behavior of the recipe: the presence of molasses. Brown sugar is, in essence, sugar with molasses, and that additional part is what explains almost all the differences that are then noticed in the oven and on the plate.
Yes, you can substitute it, but....
Yes, you can substitute it, but the cake changes. In most homemade cakes, swapping white sugar for brown sugar does not prevent the recipe from working. The dough will still bake and the cake will still be a cake. But the substitution does change the final result:
Brown sugar retains moisture better, so the cake is usually a little juicier and takes longer to dry out. On the other hand, it can also be a little more compact, less light and with a less ethereal crumb than a cake made with white sugar.
This change is especially noticeable in soft recipes, such as a basic yogurt cake, a vanilla cake or a dough designed to be very fluffy. In these cases, white sugar tends to give a cleaner profile and a lighter texture, while brown sugar introduces a wetter point and a more marked personality.And the taste?
Here the difference is usually clearly perceptible. White sugar adds sweetness, but hardly any flavor of its own. Brown sugar, on the other hand, adds hints of molasses, caramel or toffee, which are more evident the darker it is. This is why it can work very well in cakes with banana. It can therefore work very well in cakes with banana, spices, cocoa, cocoa, carrot, nuts or coffee, where this deeper background is a natural fit. In delicate or very neutral doughs, however, it can eat part of the protagonism.
It also changes the color and the crumb.
A sponge cake made with brown sugar usually comes out of the oven with a darker, more toasted tone, both inside and out. The crumb loses that light and uniform color so typical of classic sponge cakes and gains a darker, warmer, sometimes even more rustic appearance. In some recipes this adds; in others, it subtracts that visual lightness that one expects when cutting the first slice.
And do they still go up?
There is another less visible but important factor: acidity. Molasses makes brown sugar somewhat more acidic than white sugar, and this can affect recipes with baking soda, since baking soda needs an acidic ingredient to react and produce gas. In a dough with brown sugar, this reaction may be slightly favored. In practice, it does not usually completely transform the cake, but it can slightly alter the volume, color or balance of the recipe if it was very measured. In baking, these small variations count.
So when is it worth making the switch?
It is worth it if you are looking for a cake with more moisture, a warmer flavor and a crumb with a little more body. Also if the recipe has ingredients that appreciate this deeper background: cinnamon, chocolate, ripe fruits or nuts.
On the other hand, if what you want is a very fluffy cake, light in color, mild in flavor and as neutral as possible, white sugar is still the safest option.
The change works, but it modifies the cake.
Changing white sugar for brown sugar in a sponge cake is usually possible, but it is not an invisible substitution. Brown sugar adds moisture, darkens the dough, intensifies the flavor and can leave a slightly denser crumb. White, on the other hand, gives lighter and more neutral results.
It is not that one is better than the other: they simply make different biscuits.
Here are some recipes for you to put it into practice
Cakes with white sugar:
Cakes with brown sugar:
Patricia González







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