Homemade Vegetable Broth

Bahan-bahan (8 porsi)

• 1½ tablespoons extra virgin olive oil
• 1 medium onion, (coarsely chopped)
• 2 medium carrots, (coarsely chopped)
• 2 medium parsnips, (coarsely chopped)
• 2 medium leeks, (trimmed and washed thoroughly, then sliced into 1-inch chunks)
• 1 large stalk celery, (coarsely chopped)
• 1 large handful chopped kale leaves
• 3 sprigs fresh thyme
• 3 sprigs fresh parsley
• Two 1-inch pieces peeled ginger
• 1 large bay leaf