Start by preheating your oven to 350°F (175°C). Place your tart shells on a baking sheet and bake for 10-12 minutes, or until they're beautifully golden brown and crisp. Let them cool completely while you work on the fillings.
Now, time to make that delicious caramel. In a saucepan over medium heat, combine the butter, brown sugar, and milk. Keep stirring until the mixture comes to a boil, and cook it until the sugar dissolves and the caramel is smooth. Once it's done, remove from heat and let it cool slightly. (Pro tip: Resist the urge to taste it right away — it’s super hot!)
Next up, the white chocolate cream. Melt the chopped white baking chocolate in the microwave in 20-second intervals, stirring in between to avoid any burning, or use a double boiler for more control.
In a separate bowl, whip the cream, powdered sugar, and vanilla extract until you see soft peaks form. Gently fold in the melted chocolate until the mixture is smooth and heavenly.
The fun part — assembling! Spoon a heaping tablespoon of the caramel into each cooled tart shell. Then, either pipe or spoon the white chocolate whipped cream on top of the caramel. Already, they’re looking irresistible!
Decorate as you desire. A drizzle of extra caramel? Some shaved white chocolate on top? Or maybe just a light dusting of powdered sugar for a classic touch.
You can chill the tarts for a few minutes if you prefer the cream to set, or dive right in and enjoy immediately. Either way, they’re sure to be a hit!