Sup Kacang Putih Tuscan

Bahan-bahan (6 porsi)

• 2 tablespoons olive oil
• ½ cup diced onion, (about ½ medium onion)
• 2 celery ribs, (diced about 1 cup)
• 2 medium carrots, (cut into rounds about 1 cup)
• 3 teaspoons minced garlic, (about 3 large cloves)
• 1 tablespoon pasta tomat
• 3 (15-ounce) cans cannellini beans, (drained)
• 4 cups kaldu ayam
• 2 tablespoons white wine vinegar
• 1 teaspoon bumbu Italia
• ¼ teaspoon red pepper flakes
• Garam dan merica secukupnya
• 3 cups fresh spinach, (coarsely chopped)