Incredible creamy dessert in 5 minutes,

Incredible creamy dessert in 5 minutes, no oven! no condensed milk, no gelatin! melts in your mouth! Ingredients: 3 and 1/2 cup milk (850ml). zest of 1 lemon. 16g of vanilla sugar. 3 egg yolks. 1/2 cup sugar (100g). ~ 1/2 cup cornstarch (50g). Cinnamon or cocoa powder for garnish.