Coarsely chop the peanuts.
Cream the butter and sugar together.
Add eggs and O'Nutti (Oat Nutty Powder), and mix well.
Add cake flour, baking powder, and salt, then knead into a dough.
Add chopped peanuts and mix evenly.
Shape the dough into cookie shapes.
Bake at 170°C for 15 minutes in the oven.
Let cool to finish.