1.
Cook the pasta in boiling salted water for 12 minutes and drain carefully, making sure to remove the cooking water from inside the shapes.
2.
Dip the pasta shapes into the béchamel, add a teaspoon of ragù, and sprinkle generously with grated Parmigiano.
3.
Arrange the 3D lasagna shapes on a baking tray and let them gratin in the oven at 180°C until a golden crust forms.
