Explain in detail of the materials and methods of the homescale vanilla ice cream processing.

Home-scale vanilla ice cream processing typically involves the use of a few simple ingredients and basic kitchen tools. The following is a detailed explanation of the materials and methods involved in making vanilla ice cream at home:

Materials:
1. Heavy cream: This is the main base of the ice cream and provides the richness and creaminess.
2. Whole milk: Adds additional creaminess and helps to create a smooth texture.
3. Sugar: Sweetens the ice cream and helps to prevent the formation of ice crystals.
4. Eggs: Used to create a custard base for the ice cream, adding richness and a smooth texture.
5. Vanilla extract: Provides the classic flavor of vanilla ice cream.
6. Salt: Enhances the flavor of the ice cream.

Tools:
1. Saucepan: Used to heat the cream, milk, and sugar.
2. Whisk: Used to mix the ingredients together and prevent the formation of lumps in the custard.
3. Mixing bowl: Used to combine the custard with the vanilla extract.
4. Ice cream maker: Essential for churning the ice cream mixture and incorporating air to create a creamy texture.
5. Freezer-safe container: Used to store the ice cream while it sets in the freezer.

Methods:
1. Heat the cream and milk: In a saucepan, combine the heavy cream, whole milk, and sugar. Heat the mixture over medium heat, stirring occasionally, until it reaches a gentle simmer.

2. Prepare the custard: In a separate bowl, whisk together the eggs until frothy. Slowly pour the hot cream mixture into the eggs, whisking continuously to prevent the eggs from cooking. Pour the mixture back into the saucepan and cook over low heat, stirring constantly, until it thickens enough to coat the back of a spoon (about 5-7 minutes).

3. Add the vanilla and salt: Remove the custard from heat and stir in the vanilla extract and a pinch of salt. Let the mixture cool to room temperature, then cover and refrigerate for at least 4 hours, or preferably overnight.

4. Churn the ice cream: Once the custard is chilled, pour it into the ice cream maker and churn according to the manufacturer's instructions. This usually takes about 20-30 minutes, or until the mixture thickens and resembles soft-serve ice cream.

5. Freeze the ice cream: Transfer the churned ice cream to a freezer-safe container and cover with plastic wrap or a lid. Place the container in the freezer for at least 4 hours, or until the ice cream is firm and ready to scoop.

By following these materials and methods, you can create delicious homemade vanilla ice cream that is sure to impress your friends and family. Feel free to experiment with different flavorings or mix-ins to create your own unique variations on this classic dessert.