1. Roll out the shortcrust pastry into a disc the size of the tart pan.
2. Line the tart pan with the pastry and blind bake it using baking weights.
3. Bake in a preheated oven for about 10 to 15 minutes.
4. In a mixing bowl, whisk the whole eggs and the cottage cheese.
5. Slice the smoked salmon into strips.
6. Finely chop the parsley, about half a bunch.
7. Add the smoked salmon and chopped parsley to the previous mixture.
8. Finally, add the grated cheese, season with salt and pepper, and mix well with a spatula. Adjust the seasoning. Be careful, smoked salmon is salty, so be careful not to oversalt the mixture.
9. Remove the blind-baked tart crust from the oven.
10. Remove the baking weights and pour in the prepared mixture.
11. Smooth the mixture evenly over the entire surface of the tart.
12. Bake in a preheated oven at 180°C (350°F) for 20 to 25 minutes.
13. Once cooked, remove the tart from the oven and let it cool.
14. Serve warm or cold.