Carve the vanilla pod, scrape out the pith. Peel and quarter the apples and cut out the core. Cut apples into pieces. Boil up with lemon juice, cinnamon stick, vanilla pod and pulp, sugar and 1/4 l water. Steam apples covered over low heat for about 5 minutes. Remove cinnamon stick and vanilla pod. Let the apple compote cool down a little
Peel, wash and finely grate the potatoes. Stir in eggs, flour, oatmeal and salt
Heat oil in portions in a large coated pan. Bake about 12 golden-brown buffers from the potato dough one after the other. Keep each one warm. Arrange the oat potato pancakes with the apple compote. Decorate with lemon balm and apple wedges