Trippa alla Fiorentina

Ingredients

• 1 yellow onion, diced
• 1 carrot, diced
• 1 stalk celery, diced
• 1 tablespoon unsalted butter
• 3 tablespoons extra-virgin olive oil
• 3 pounds tripe, blanched and boiled (add 5 clove in a water)
• Half a pound of minced beef meat
• 1 pound tomatoes, peeled and finely chopped
• Salt, for seasoning
• Parmesan, for sprinkling

Rapini

This is the Tuscan name of cime di rapa, broccoli di rapa, or broccoletti, better-known in this country as broccoli raab (also spelled broccoli rabe)...