Sweet Potato Soup With Garlic & Pine Nuts

Ingredients

• ⅓ cup pine nuts (1.6 oz / 45 grams, almonds can also be used)
• 2 tablespoons olive oil
• 8 garlic cloves (peeled)
• ½ teaspoon cumin seeds
• 1 1/2 lbs sweet potatoes (700 grams, peeled and cubed)
• 1 teaspoon salt
• ¼ teaspoon chili flakes
• ½ teaspoon lemon zest
• 3 cups vegetable stock (or water with stock cubes, about 750ml)
• 1 tablespoon lemon juice
• ¼ teaspoon black pepper
• 1 tablespoon chopped chives (for garnish)
• ½ cup sour cream (or coconut cream for dairy-free)
• ½ cup croutons (optional)