Cake – 2 2/3 cups (350 g) all purpose flour, sifted – 2 1/2 teaspoons baking powder – 1/2 teaspoon sea salt – 1/2 cup (150 g) Greek yogurt – 1 cup (200 g) white granulated sugar – 4 large eggs, see notes on size – 1 teaspoon lime zest – 1/2 teaspoon vanilla paste or extract – 9 oz (250 g) kiwi fruit, peeled and pureed – 1/2 cup (120 ml) sunflower oil, or any vegetable oil Lime syrup – 2 tablespoons (30 ml) fresh lime juice – 2 tablespoons (30 ml) water – 4 tablespoons (60 g) white granulated sugar