Melt the butter over low heat. Set aside to cool.

Blend the almonds in a blender for a few seconds, add the cashews, and blend until combined.

Then add the cinnamon, salt, and flour, and blend until mixed.

Preheat the oven to 325°F (165°C). Measure the sugar and place it in a large bowl, add the melted butter, and mix until the sugar dissolves. Add the extract and beat again.

Add the flour and nut mixture to the butter in small amounts at a time (you can do this part with a spoon).

Roll into 1-tablespoon balls and place them on a baking sheet lined with wax paper. Bake for 20-25 minutes. Let cool for a few minutes and place on a cooling rack. Once cooled, dust with powdered sugar and cinnamon. Enjoy.