Steps
1. Preheat the oven to 220°C.
2. Cut the puff pastry into squares and line a muffin tin.
3. In a saucepan, whisk together almond milk, cornstarch, sugar, and vanilla until smooth.
4. Heat the mixture over medium heat until thickened.
5. Pour the custard into the pastry-lined tin.
6. Bake for 15-20 minutes until the pastry is golden.
7. Let cool, then dust with cinnamon before serving.