Risotto di Radicchio

Name: Risotto di Radicchio
Ingredients: 3 tbsp (45 ml) extra virgin olive oil; 1 yellow onion, diced; 5 cloves of garlic, diced; Red pepper flakes, to taste; 2 cups (0.5 k) arborio rice; ½ cup (60ml) dry white wine; 1 head of radicchio, chopped into 1″ pieces; 4-5 cups (1.2 ml) chicken or vegetable broth (more if needed), warmed in a separate pot; 1 cup (250g) grated hard cheese (such as grana padano, parmigiano reggiano or pecorino romano); Dash of whole milk; Salt and pepper; Fresh basil, torn; 1 cup (250 g) prosciutto cubes*