Make the garlic soy aioli by adding all the sauce ingredients from garlic cloves to chopped parsley in a bowl and whisk together well until smooth.
Cut up the cassava into sticks or wedges, removing all the skin, then rinse and place in a pot with salt, sugar and fill halfway with water. Bring pot to a boil and cook until the cassava is tender then drain the water, about 20-30 minutes. When they are tender, take out, let cool and dry before frying.