Turmeric Roasted Sweet Potato and Macadamia Soup

Ingredients (12)

• 2 medium red onions
• 2 pounds 1kg orange sweet potatoes, peeled and cut into chunks (about 6 1/2 cups)
• 1 tablespoon extra-virgin olive oil
• 1/2 teaspoon Kosher sea salt
• 8 cups 1.9l vegetable broth
• 2 teaspoons minced fresh ginger
• 1/2 teaspoon ground turmeric
• Pinch of cayenne pepper
• 1/4 cup 70g unsalted macadamias
• Fresh lime wedges
• 2 tablespoons finely chopped fresh cilantro
• Optional chopped macadamias, for garnish