Method
1. Pre-heat oven - 160°C / 320°F
2. Grease a clean round pan
3. Add ground almonds, cake flour, sea salt, baking powder and ground cinnamon to a clean medium bowl
4. Whisk briefly then set aside
5. Add egg, egg yolk, granulated sugar and vanilla extract to a clean large mixing bowl
6. Beat until smooth - 3 min
7. Transfer dry ingredients to the wet ones and mix until combined
8. Add unsalted butter to a clean small bowl and melt in microwave - low heat
9. Mix melted butter with the batter until combined
10. Pour batter into round pan
11. Add egg white to a clean medium bowl
12. Beat lightly until frothy
13. Add flaked almonds and granulated sugar to the beaten whites and mix thoroughly
14. Spread topping with cake
15. Bake until skewer tests clean - 30 min, 160°C / 320°F
16. Let cool