Air fryer 35 minutes
In a bowl, combine room temperature cream cheese and yogurt, and mix until smooth.
Add sugar and whisk well until dissolved.
Add eggs one at a time, mixing after each addition.
Sift cake flour into the mixture and mix until evenly combined.
Line a pan with parchment paper, pour in the batter, and smooth the top.
Bake in a 190°C (374°F) oven for 25–30 minutes until golden, then let cool.