Portakal Soslu Mandalinli Sütlü Tatlı

Combine 1236 g milk, 20 g cornstarch, 20 g egg yolk, and 200 g sugar in a saucepan.

Cook the milk mixture over medium heat, stirring constantly, until thickened.

Remove from heat and stir in 15 g butter, 200 g tahini, and 100 g vanilla.