An indulgent artisan dessert, beautifully crafted with premium ingredients and presented with exquisite garnishes for a memorable finale.
Bring milk to a simmer in a saucepan with the cinnamon stick and lemon peel strip; remove from heat, cover, and infuse for 15 minutes, then discard the stick and peel.
In a bowl, whisk egg yolks, sugar, flour, cornflour, vanilla extract, and salt into a smooth thick paste.
Gradually whisk the hot infused milk into the egg paste; return mixture to the saucepan and cook over medium-low heat, whisking constantly for 5 minutes until very thick and bubbling; whisk in butter until melted and glossy.
In a separate clean bowl, whip the egg whites to stiff peaks; gently fold the whipped whites into the hot custard in two additions until light and airy.
Pour the hot milk custard into the pre-baked pastry shell, smoothing the top level with a palette knife.
Dust the surface generously with ground cinnamon; cool to room temperature, then refrigerate for at least 3 hours until set.
Slice into wedges and serve chilled or at room temperature with Rooibos tea.