Preheat oven to 170 degrees celsius (fan-forced).
Grease and line a 20cm square baking tin with baking paper and set aside until needed.
Melt the butter in the Thermomix for 3 minutes, 100 degrees, Speed 1.
Add the brown sugar, plain flour and almond meal. Mix for 10 seconds, Speed 4. Scrape down the sides of the bowl and repeat twice; scraping down the sides of the bowl each time.
Using the back of a spoon, press the base mixture firmly into the prepared baking tin.
Bake for 12 minutes until lightly golden.
Place the butter and honey into the Thermomix bowl. Melt for 4 minutes, 100 degrees, Speed 1.
Stir the flaked almonds through with the spatula. Pour the warm topping mixture on to the base and spread the almonds evenly.
Bake for 15 minutes or until lightly golden.
Remove from the tin with the aid of the baking paper, and set aside on a wire rack to cool completely before slicing into pieces.