All ingredients of this ice cream are of vegetable origin. The texture might be hard, so leave at room temperature for a while before you eat.
My friend said she makes avocado ice cream from milk and honey. I wanted to make a healthier ice cream, so I used soy milk and maple syrup instead.
The oil makes the ice cream smoother in texture. You can leave the oil out of course, but the ice cream will be harder.
Enjoy Japanese food around the world.