Check the mushrooms, brush or cut away dirt and twigs, tear them into equal pieces. Place them in the baking tray and drizzle with olive oil, season with pepper and salt, bake for 10 min on high airflow at 200°C. Drain onto a plate and keep warm.
Cut garlic, onion, and pumpkin into fine brunoise.
Put garlic, onion, chili pepper, and risotto rice in the baking tray, drizzle with olive oil, mix well, bake for 15 min on high airflow at 200°C.
Add the pumpkin, deglaze with white wine and broth, add saffron. Cook now on low airflow, 30 min at 200°C, stirring every 10 min.
Take the baking tray out, mix in mascarpone and grated pecorino cheese. Season with pepper and salt, add lemon zest.
Scoop the risotto onto the plates, finish with mushrooms, extra cheese, lemon zest, and a few drops of olive oil.
Serve immediately.