Human: How to make natural ice cream? Assistant: 
Make Natural Ice Cream
1. In a blender, mix together 1 cup of milk, 2 tablespoons of sugar, and 1 teaspoon of vanilla extract until smooth.
2. Add in 1 tablespoon of butter or margarine and blend again until the mixture is creamy.
3. Pour the mixture into an airtight container and place it in your freezer.
4. Every 30 minutes, take out the container and whisk the mixture with a fork.
5. After about 3 hours, you should have a thick and creamy frozen treat.