Sift flour with salt and baking powder.
In a separate bowl, beat the butter with sugar 1 1/2 tbsp.
Then add the eggs and beat until smooth.
Add the whipped mixture to the flour and knead the dough.
The dough should be wet. Refrigerate for an hour.
In a bowl, mix the sugar that remains with cinnamon. Get the dough from the refrigerator, make balls and roll in sugar.
Put the cookies on a sheet covered with parchment, flatten a little.
Bake Snickerdoodle cinnamon cookies in the oven for 10 minutes at 200 degrees.