Method
Step 1: Prepare the Pastry Dough
Mix Dry Ingredients: In a large bowl, combine the flour, sugar, and salt. Mix well.
Add Butter: Add the chilled butter to the dry ingredients. Using your fingertips or a pastry cutter, blend until the mixture resembles coarse crumbs.
Add Egg: Create a well in the center and add the egg. Mix until combined.
Add Water: Gradually add cold water, one tablespoon at a time, mixing until the dough comes together.
Chill: Form the dough into a disc, wrap it in plastic wrap, and refrigerate for at least 30 minutes.
Step 2: Make the Cream Filling
Heat Milk: In a saucepan, heat the milk over medium heat until it is warm but not boiling.
Whisk Egg Yolks: In a separate bowl, whisk together the egg yolks, sugar, and cornstarch until smooth.
Combine Mixtures: Gradually pour the warm milk into the egg mixture, whisking constantly to temper the eggs. Pour the mixture back into the saucepan.
Thicken: Cook over medium heat, stirring constantly, until the mixture thickens and bubbles. Remove from heat and stir in the vanilla extract and butter.
Cool: Transfer the cream to a bowl, cover with plastic wrap (pressing it directly against the surface to prevent a skin from forming), and let it cool.
Step 3: Shape and Bake the Pastry
Preheat Oven: Preheat your oven to 375°F (190°C) and line a baking sheet with parchment paper.
Roll Out Dough: On a floured surface, roll out the chilled dough to about 1/8 inch thick.
Cut Strips: Cut the dough into strips about 1 inch wide and 6 inches long.
Wrap Around Forms: Take a cannoli form (or a similar cylindrical object) and wrap each strip around it, overlapping slightly. Press the edges to seal.
Bake: Place the wrapped forms on the baking sheet and bake for 20-25 minutes or until golden brown.
Cool: Allow the cannoncini to cool completely on the baking sheet before gently removing them from the forms.
Step 4: Fill and Serve
Fill Pastries: Once the pastry shells are cool, use a pastry bag to fill each cannoncino with the prepared cream filling.
Dust with Powdered Sugar: Before serving, dust the filled cannoncini with powdered sugar.
Variations
Chocolate Filling: Substitute half of the milk in the cream filling with melted chocolate for a chocolate variation.
Lemon Zest: Add lemon zest to the cream filling for a refreshing citrus flavor.