Ragu Pemasak Lambat

Bahan-bahan (8 porsi)

• 1 tablespoon olive oil
• 1 medium onion (chopped)
• 3 medium carrots (chopped)
• 4 sticks celery (chopped)
• 1 ½ pounds daging giling
• 1½ pounds daging babi giling
• 4 cloves garlic (minced)
• 1 (5.5-ounce) can tomato paste
• 1 teaspoon bumbu Italia
• 1 teaspoon timi kering
• 3 cups kaldu sapi
• ¾ cup dry red wine, ((optional, see note))
• ½ cup krim kental
• garam dan merica secukupnya