Radicchio Lasagna with Gorgonzola and Mascarpone

Method

1. Finely chop the radicchio.
2. In a saucepan greased with a drizzle of oil, add the radicchio and a pinch of salt, and let it gently stew.
3. Once cooked, add the gorgonzola and mascarpone, cover, and let them melt.
4. Finish the sauce by coarsely chopping some walnuts and adding them.
5. Layer the lasagna: spread a layer of sauce, a sprinkle of Grana Padano, and lasagna sheets. Repeat until the baking dish is full.
6. On the last layer, place two knobs of butter.
7. Cover with parchment paper and bake until golden brown.
8. Serve as a neat slice.