1. 1

   Step 1

   Preheat the oven to 250°C.

2. 2

   Step 2

   In a saucepan, combine 500 ml of semi-skimmed milk, 2 lemon peels, and 1 cinnamon stick. Bring to a boil.

3. 3

   Step 3

   In another pan, mix 500 g of sugar and 100 g of flour.

4. 4

   Step 4

   Slowly add a little of the hot milk to the sugar and flour mixture, stirring constantly until smooth.

5. 5

   Step 5

   Add the remaining hot milk to the cream and cook over low heat, stirring constantly until thickened.

6. 6

   Step 6

   Remove from heat and let it cool slightly.

7. 7

   Step 7

   Beat the 12 egg yolks and gently incorporate them into the warm cream.

8. 8

   Step 8

   Roll out the 2 packages of puff pastry and cut them into circles.

9. 9

   Step 9

   Line muffin tins with the puff pastry, pressing well against the sides.

10. 10

    Step 10

    Fill the tins with the cream, leaving a little space at the top.

11. 11

    Step 11

    Bake for 15 minutes until golden brown with dark spots on top.

    Timer 15 min
12. 12

    Step 12

    Remove from the oven and let cool before serving.

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