Ingredients

• 2 tablespoons unsalted butter
• 3 tablespoons extra-virgin olive oil
• 1 large carrot, finely chopped
• 1 onion, finely chopped
• 1 large celery stalk, finely chopped
• 2 dried chili peppers, crushed
• Sprig fresh rosemary
• 1/2 pound ground beef
• 1/2 pound ground pork
• 1 cup white wine
• 3 cups tomato sauce or La Salsa di 5 Minuti, recipe follows
• 3 basil leaves, torn
• Salt