In a large pan, combine the egg yolks, vanilla bean paste, cream, sugar, and cornflour. Whisk together until well combined.
Add the lemon zest, cinnamon sticks, and milk to the mixture in the pan. Place the pan on a hob over low to medium heat, whisking constantly until the mixture thickens.
Remove the pastry from the fridge. Carefully pour the Nata filling into the prepared pastry case. Removing the cinnamon stick and lemon zest.
Place the filled tart into the preheated oven and bake at 180°C for 25-30 minutes or until the pastry is golden brown.
Note: Don’t be alarmed if you see the top starting to blacken a little, this is completely fine and adds to the Nata charm!
And you're done, enjoy this decadent tart with a sprinkling of cinnamon or why not garnish with some raspberries to add a pop of colour!