3 Separate the eggs, beat the egg whites together with salt and lemon juice until firm. Chill in the refrigerator until ready to use. Liquefy the margarine in a water bath. Do not exceed 50 degrees C.
Mix the egg yolks with the remaining 4 eggs and the sugar until frothy. Let the margarine flow in slowly while stirring. Mix the "NutriCake Brownies" powder with the tapioca flour and baking powder. Add one tablespoon to the egg mixture and stir until homogeneous. Stir in the grated almonds, vanilla and bitter almond flavor. Add sugar to taste. Finally fold in the whipped egg white.
Put everything in a 28x24cm baking sheet greased with margarine. Smooth out with a spatula. Sprinkle with flaked almonds. Bake at 175 ° bottom heat on medium level for approx. 40 - 50 minutes. After cooling, sprinkle with powdered sugar if you like.