Italian Nutella Tartlets - Costatina Alla Nutella

Name: Italian Nutella Tartlets - Costatina Alla Nutella
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Cuisine: Italian
Ingredients: 250 g Plain (All Purpose) White Flour; Pinch of Salt (optional); 125 g Unsalted Butter (chilled); 100 g Caster (superfine) Sugar; 2 Egg Yolks; 1 tbsp Water; 200 g Nutella; 397 g Dulce De Leche; 2 Eggs; 240 ml Heavy Whipping Cream (chilled); 30 g Powdered Icing Sugar; 1 tsp Vanilla Extract