Preheat the oven to 180°C (356°F).
In a bowl, mix cake flour, baking powder, cinnamon powder, and salt together.
In a separate bowl, combine eggs, milk, olive oil, and sugar, mixing well.
Add the liquid ingredients to the dry ingredients and fold together with a spatula.
Divide the batter evenly into the muffin tins.
Bake in the oven at 180°C (356°F) for 20 minutes.