Prepare the apples

• Peel, core and thinly slice the apples.
• Set a few slices aside for the top of the cake.

Make the batter

• Whisk the eggs with the honey until pale.
• Stir in the skyr until smooth.
• Fold in the oat flour, baking powder and cinnamon.

Assemble the cake

• Fold the apple slices into the batter.
• Pour into a lined springform pan and arrange the reserved slices on top.

Bake

• Bake until golden and set in the centre.
• Let the cake cool before releasing the pan and slicing.