07/05/2026
Sugar 101
When most people think about sugar in baking, they think sweetness. And that's fair, it's the most obvious thing sugar does. But if you've ever reduced sugar in a recipe to make it "healthier" and ended up with something dry, flat, or completely off in texture, you already know that sugar is doing a lot more work than you gave it credit for.
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Sugar comes in more forms than most people realise.
The most common ones in baking are granulated white sugar, brown sugar which contains molasses and adds moisture and a slight caramel depth, and powdered sugar which is finely ground and often used in frostings and delicate pastries. Beyond those, sugar also exists naturally in ingredients like fruit and milk, but in baking when we talk about adjusting sugar, we're usually referring to the refined kind. And at its core, sugar is simply a carbohydrate. But in a recipe, it is far from simple.
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Here's what sugar is actually doing in your bake.
Moisture and tenderness: Sugar attracts and holds onto water, which is what keeps baked goods soft and moist long after they come out of the oven. Reduce it significantly and you'll often end up with something noticeably drier than expected.
Leavening: When sugar is creamed together with butter, it cuts tiny air pockets into the fat. Those pockets expand during baking and contribute to a lighter, fluffier texture in cakes and cookies. Skip or reduce that step and you lose some of that lift.
Browning and colour: Sugar is responsible for those golden crusts and rich baked aromas through two processes, caramelisation and the Maillard reaction. Less sugar generally means paler, less flavourful results on the surface.
Shelf life: Sugar helps retain moisture in baked goods and inhibits microbial growth, which is part of why a well-made cake stays fresh longer than you might expect. It is quietly acting as a preservative.
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What actually happens when you change the sugar in a recipe.
A test was done on a standard sugar cookie recipe, first reducing the sugar by 50%, then increasing it to 125% of the original amount. The results were telling.
With half the sugar, the cookies were drier and harder, spread less in the oven, turned crumbly instead of chewy, and the batch yielded fewer cookies overall. With more sugar than the recipe called for, the cookies spread more, came out softer and chewier, and had an almost candy-like quality that some people actually loved, though they were stickier and more fragile.
Not clear enough? Okay, let me put it plainly. Both tests produced cookies that were noticeably different from the original, not just in taste but in structure, texture, and behaviour in the oven. Sugar wasn't just the sweetener in that recipe. It was holding the whole thing together.
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So can you reduce sugar in baking?
You can, but not dramatically without consequences, and definitely not by half unless you're prepared for a very different result. If a recipe tastes too sweet to you, a better approach than slashing the sugar is to balance it with other elements. A small pinch of extra salt can counteract sweetness without changing the structure. A little acidity, like a squeeze of lemon juice, can do the same. Bitter ingredients like cocoa or espresso powder also balance sweetness effectively. These adjustments work with the recipe rather than against it.
Sugar is one of those ingredients that earns its place in a recipe in more ways than one. Change it carefully.
End of post.
As always, I hope this helps someone.
