For the crust, stir together the flour, salt, sugar, and cinnamon.
Cut in the cold butter using a pastry cutter or fork until the mixture resembles coarse sand. (Alternatively, pulse the dry ingredients with the butter in a food processor.)
Slowly drizzle in cold water and stir gently until the dough is moist enough to stay together when squeezed. (Alternatively, drizzle cold water into food processor, pulsing a few times to combine.)
Quickly press the dough into a disk and wrap in plastic wrap. Chill in the fridge for 30 minutes.
When you're ready to bake, preheat the oven to 350° F. Roll the dough out in between two pieces of parchment and then press into tart pan(s). Line crust(s) with parchment and fill with pie weights.
Blind bake the pie crusts for 10 to 12 minutes or until the crust is cooked through. Remove the pie weights and parchment and bake for another 5 to 7 minutes until the edges start to brown. Set the crusts aside to cool.
Heat milk, honey, and the scraped vanilla pod in a saucepan until scalding. Whisk together the egg yolks, vanilla caviar (i.e. the scraped beans from the vanilla pod), salt, and cornstarch until smooth and pale. Temper the yolks with a little of the hot milk mixture. Whisk slowly. Continue adding the milk little by little, whisking until smooth.
Pour the custard base back into the saucepan and place over low heat. Cook slowly, whisking continuously until thickened. The custard should come to a gentle boil.
Remove the custard from the heat and whisk in the butter and vanilla extract. Fish out the vanilla pod and sieve to remove any lumps. Cover with plastic wrap and cool to room temperature.
Pour the cooled custard into the cooled pie crust(s). Cover with plastic wrap and chill completely (about 2 hours).
Set the tart out at room temperature for 10 to 15 minutes before slicing and serving.
Original Recipe: https://food52.com/recipes/40357-honey-tart