10min · 1 serving Making Kiwi Smoothie Sweet and Sour Home Cafe Recipe • 2 kiwis, 1 cup of ice, 3 to 4 spoons of sugar syrup You can use 0.5 to 1 spoon of sugar instead of sugar syrup, or you can also use honey. • Kiwi has a strong sour taste, right? My child really likes this sour taste, but when I get to my age, my face gets grimaced first. So, as a milder way to eat a kiwi smoothie, you can make it by mixing bananas together or adding Greek yogurt to it.