keto boter koek

Killerbody Keto Butter Cake (Sugar-Free)

February 17, 2026Fajah Lourens

This butter cake is the ultimate treat for those following a keto lifestyle. It's rich, full of flavour, and contains virtually no sugar thanks to the natural sweetener erythritol.

Ingredients:

  • 250 g almond flour

  • 200 g unsalted butter (at room temperature)

  • 150 g Erythritol

  • 1 egg (size L)

  • A pinch of salt

  • Optional: 1 tsp vanilla extract and some flaked almonds for the top

Preparation:

  1. Preheat the oven to 170°C and grease a butter cake tin (20-22 cm).

  2. Mix the almond flour, erythritol, and salt in a bowl.

  3. Add the softened butter and half an egg (reserve the other half to brush the top).

  4. Knead into a firm dough and press evenly into the tin.

  5. Brush the top with the remaining egg and use a fork to create the characteristic criss-cross pattern.

  6. Bake the butter cake for 25-30 minutes until golden brown. Note: Let the cake cool completely in the tin before slicing; keto baked goods only firm up when cold.



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