Serves 4 Ingredients: For the sweet potato puree: ± 1kg / 4 large orange sweet potatoes 75g unsalted butter ¼ cup cream Salt and pepper, to taste For the kale pesto: 1 large bunch kale, ribs and stems removed (± 200g kale leaves) ⅓ cup raw pistachio nuts ¼ cup extra-virgin olive oil 1 garlic …