Risotto al radicchio rosso di treviso

Ingredients

• 4-6 leafs of Radicchio
• 1/2 red onion
• 1 cup of Risotto rice
• 1 clove of garlic
• 2 cups of vegetable stock
• 1,5 ounces of Gorgonzola
• 1/2 Williams pear
• 4 fl oz dry white wine
• a bit of butter
• salt and pepper