Whip the fat, sugar, salt and vanilla sugar until creamy with the whisk of the hand mixer. Stir in the eggs one after the other. Mix flour, baking powder and almonds. Alternately stir in sour cream and milk.
Place 1 1/2 tablespoons of dough in the middle of each greased preheated waffle iron and bake until golden brown. Bake about 10 waffles one after the other. Serve the waffles with vanilla ice cream and sprinkle with maple syrup.
Decorate with lemon balm.