1. Make the Choux Pastry:

1. Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
2. In a saucepan, bring water, butter, and salt to a boil.
3. Reduce heat and add flour, stirring constantly until a dough ball forms.
4. Remove from heat and let cool slightly. Add eggs one at a time, mixing well.
5. Spread dough into a 9-inch circle on the baking sheet.
6. Bake for 25-30 minutes until golden brown. Let cool completely.

2. Prepare the Filling:

1. In a bowl, whip heavy cream, powdered sugar, and vanilla extract until stiff peaks form.

3. Assemble the Cake:

1. Slice the cooled choux pastry into two layers.
2. Spread the whipped cream filling evenly over the bottom layer.
3. Place the top layer over the filling and press gently.

4. Make the Glaze:

1. In a bowl, whisk powdered sugar, milk, and vanilla extract until smooth.
2. Drizzle over the top of the cake.

5. Serve:

• Slice and serve immediately, or refrigerate until ready to enjoy.