Tripe in Florentine style

Ingredients

• 1 kg. of tripe
• 400 g. of ripe tomatoes
• 100 g. of butter
• 100 ml. of olive oil
• 1 blade of celery
• 1 carrot
• 1 onion
• 1 small glass of white wine
• ½ litre of meat stock
• Grated Parmesan
• Basil
• Salt and pepper