The Science of Sweetener Blending: Why We Don’t Just Use One Ingredient
If you have ever tried a sugar alternative that left a bitter aftertaste, a strange cooling sensation, or simply did not bake the way you expected, you have experienced the limitations of single-source sweeteners.
At Finally., we do not believe in settling for “good enough” when it comes to keto-friendly sweetness. In our Finally. range, we utilise the science of sweetener blending to create products that do not just mimic sugar: they rival it.

Here is why blending is the secret to the perfect sugar alternative.
1. Eliminating the Aftertaste
Many natural sweeteners have a specific flavour profile that can be overwhelming on its own. For example, Stevia is incredibly sweet but can have a bitter, liquorice-like finish. Erythritol is excellent for adding bulk, but it can create a strong “cooling” effect on the tongue that feels out of place in a warm sponge cake.
The Blending Solution: By combining different ingredients, such as in our Finally. Golden (Stevia, Erythritol and Apple Extract), we use the strengths of each ingredient to get the best result. This results in a clean, neutral sweetness that tastes like the golden sugar you are used to.
2. Matching the Texture and Mouthfeel
Sugar does more than just provide sweetness. It adds volume, provides a “crunch” in biscuits, and creates a soft crumb in cakes. Most single-ingredient sweeteners fail to replicate these physical properties, often resulting in bakes that feel “off” or flat.
The Blending Solution: Our specialised blends, such as Finally. Soft Brown and Finally. Demerara are engineered to match the specific textures of their traditional counterparts. By blending sugar alcohols, sweeteners such as stevia and monk fruit, as well as “caramelising” apple extract, we ensure that your keto baking has the same weight, moisture, and mouthfeel as standard recipes.
3. Improving Digestive Tolerance
Some sweeteners, when consumed in high quantities as a single ingredient, can cause digestive discomfort for certain people.
The Solution: We prefer erythritol to the other sugar alcohols (polyols) because it has the least cooling effect, and 90% is excreted via urine, meaning only 10% gets to the large intestine – a significantly smaller percentage than other polyols. Since erythritol isn’t as sweet as sugar, we add stevia or monk fruit, depending on the product, so you’re not consuming as much as you would if you used erythritol alone. In fact, our Stevia product is twice as sweet as sugar, so you’d only use half the quantity to get the same sweetness. By diversifying the ingredients, we create a product that is gentler on the digestive system while remaining 100% keto-friendly.
4. The Synergy of Sweetness
In the world of food science, sweeteners often have a “synergistic effect.” This means that the combination of two ingredients is actually sweeter than the sum of its parts.
The Blending Solution: This synergy allows us to use smaller amounts of each ingredient to achieve a high level of sweetness. This keeps our products low-calorie and 0-carb while ensuring they remain highly effective for everything from your morning coffee to complex confectionery.
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