Scrape the flesh from the apples. Mix the softened butter, oatmeal, sugar, walnuts, cinnamon, nutmeg and salt.
Tightly fill the apples with the prepared mixture. Put the blanks in a small baking dish and cover with foil .
Send the form to an oven preheated to 190 ° C for 30 minutes. Then remove the foil and bake for about 20 minutes.