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Tags and nutritional info are auto-generated and may be inaccurate. Always check the full ingredient list before cooking.
This cookie is a healthier, lower-calorie alternative to a traditional stuffed cookie, with a soft and astounding center. The combination of oat flour, vanilla whey casein protein powder, and almond butter creates a moist and satisfying dough, while the Biscoff spread in the center adds a rich, indulgent touch. Air frying gives it a perfectly cooked texture in just minutes.
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Combine oat flour, vanilla whey casein protein powder, baking soda, almond butter, and milk in a bowl to form a dough.
Roll the dough into a ball.
Flatten the dough ball and place the Biscoff spread in the center.
Re-roll the dough to cover the filling completely, then flatten into a cookie shape.
Air fry the cookie at 170°C for 6-8 minutes, adjusting time and temperature as needed based on your air fryer, until the cookie is set and lightly golden.
Mix Biscoff spread and yoghurt together, then spread over the cookie if desired.
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Use vanilla whey casein protein powder for moisture; substituting it may affect the texture.
Every air fryer is different, so adjust the time and temperature accordingly to avoid overcooking.
If you don’t have oat flour, substitute with another flour of your choice.
Can I use a different type of protein powder?
You can, but the texture may vary. Vanilla whey casein protein powder is recommended for moisture.
What can I use instead of Biscoff spread?
You can substitute with another spread like peanut butter or Nutella, but the flavor will change.
Can I bake this instead of air frying?
Yes, you can bake it in an oven at 170°C, but the cooking time may differ slightly.
How do I know when the cookie is done?
The cookie is done when it is set and lightly golden on the outside.
Can I make a larger batch?
Yes, simply multiply the ingredients by the number of cookies you want to make.

Hi, I’m Juliana! I’m a food-loving registered nutritionist passionate about making wellness simple, sustainable, and enjoyable. I’ve built this space to share nutrition advice and healthy, delicious recipes to help people feel their best, inside and out, and to encourage fun, balanced living.
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