For the dog cookies, mix all ingredients, knead into a dough and let rest briefly.
Roll out the dough 1/2 cm thick and cut out shapes. Alternatively, you can also form a roll. Then cut the roll with a knife into pieces about 0.5 cm thick.
Place the cookies on a baking tray lined with baking paper and bake at 180 degrees Celsius for about 45-60 minutes. Let the dog cookies cool completely on the tray or on a rack.
Then put the dog cookies in a storage tin and do not close the tin completely.