Blanched Vs Unblanched Almond Flour: What's The Difference? - Tasting Table
Briefly

Baking is a precise science requiring accurate ingredients, making the choice of almond flour significant. Blanched almond flour, made from skinned almonds, results in a light, fluffy texture, while unblanched flour, or almond meal, retains the almond skin, giving it a heavier texture with a reddish-brown hue. Typically, recipes imply blanched almond flour, which enhances sweetness and creaminess due to the blanching process. Understanding these differences can improve baking results, whether creating gluten-free dishes or traditional cookies.
When a recipe calls for almond flour, it most likely means blanched almond flour. It's identifiable by the plain white color and fine, even texture.
Unblanched almond flour, sometimes called almond meal, is made using the whole almond, skin and all. This adds reddish-brown flecks to the flour.
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