Q&A for How to Make Dairy Free Ice Cream

It isn't possible to provide a whole recipe in this answer box for something so complex. However, you would need something creamy and fatty to give that "buttery" texture, so coconut cream would do well for that aspect, along with vegan "butter" and you could use almond or coconut milk for the milk component. This request will be noted and someone may be able to add such a recipe to wikiHow in due time.

Yes, you can.

You can try using a whisk, though this will take a while.

Yes, you can. That's an excellent alternative that you can use. Lactose free milk should give you something that looks and tastes more like ice cream, just without the lactose.