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Keto Lemon Sugar Cookies - Bright, Buttery, And Low-Carb

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Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings: 24 servings
Ingredients Method

Ingredients
  

  • Almond flour (blanched, finely ground) – the base for a soft, tender crumb.
  • Granulated keto sweetener (erythritol, allulose, or a blend) – for sweetness and that sugar-cookie look.
  • Unsalted butter, softened – for richness and structure.
  • Egg, room temperature – binds the dough and adds moisture.
  • Lemon zest – where most of the lemon flavor comes from.
  • Lemon juice, freshly squeezed – brightens the flavor and balances sweetness.
  • Vanilla extract – rounds out the flavors.
  • Baking powder – a little lift without puffing too much.
  • Salt – enhances all the flavors.
  • Optional: Xanthan gum – a pinch improves chew and helps the cookies hold together.
  • Optional: Powdered keto sweetener – for a light glaze if you want extra lemon punch.

Method
 

  1. Preheat and prep: Heat your oven to 350°F (175°C). Line a baking sheet with parchment paper for easy cleanup and even baking.
  2. Cream the butter and sweetener: In a mixing bowl, beat softened butter with granulated keto sweetener until light and fluffy, 2–3 minutes. This helps the cookies spread just enough and develop a tender texture.
  3. Add wet flavors: Beat in the egg, lemon zest, lemon juice, and vanilla until smooth. The mixture may look slightly curdled from the lemon, but it will come together once the dry ingredients are added.
  4. Mix the dry: In a separate bowl, whisk almond flour, baking powder, salt, and a small pinch of xanthan gum if using.
  5. Combine: Add the dry ingredients to the wet and mix until a soft dough forms. If the dough feels sticky, chill for 15–20 minutes.
  6. Shape: Scoop the dough into 1–1.5 tablespoon portions. Roll into balls. If you want the classic “sugar cookie” look, roll each ball in a little granulated keto sweetener.
  7. Flatten slightly: Place on the lined sheet, spacing about 2 inches apart. Gently press each ball to about 1/2 inch thick. Almond flour cookies don’t spread as much as wheat flour cookies.
  8. Bake: Bake 9–12 minutes, until the edges are set and lightly golden. The centers should look just a bit soft.
  9. Cool: Let the cookies cool on the sheet for 10 minutes, then move to a rack. They firm up as they cool, so don’t rush this step.
  10. Optional glaze: Whisk powdered keto sweetener with a teaspoon or two of lemon juice until smooth. Drizzle over cooled cookies for extra shine and tang.