Grind the carrots and garlic together in a small food processor
Heat olive oil in a large pot over medium heat
Sauté the chopped onions and carrot-garlic mixture until translucent
Add ground beef and brown using a spatula to break up the meat
Add wine and let the alcohol evaporate
Add tomato passata and season with salt and pepper
Reduce heat to low and simmer for at least 1.5 hours, stirring occasionally
Stir in peas for the last 20 minutes of cooking
Cook rice in generously salted boiling water until a few minutes before package time
Combine rice with 4-5 ladles of meat sauce in a large bowl until well coated
Butter a springform pan and sprinkle breadcrumbs to cover the bottom and sides
Add half the rice to the bottom and pack to the edges
Layer with prosciutto cotto and a generous amount of shredded scamorza cheese
Add remaining rice on top and flatten
Sprinkle breadcrumbs and parmigiano reggiano on top
Bake at 400 degrees for 20-25 minutes until cheese melts
Let cool for 10-15 minutes before cutting
