Explain in detail of the principle of homescale vanilla ice cream processing.

Homescale vanilla ice cream processing involves making vanilla ice cream from scratch in a home kitchen using simple ingredients and equipment. The principle behind this process is to create a creamy and delicious ice cream that doesn't require any specialized equipment like an ice cream maker.

The basic ingredients needed for homescale vanilla ice cream include heavy cream, whole milk, sugar, vanilla extract, and salt. These ingredients are mixed together to create a custard base that will form the creamy texture of the ice cream.

Here is a step-by-step guide to making homescale vanilla ice cream:

1. Begin by heating the heavy cream, whole milk, sugar, and salt in a saucepan over medium heat. Stir continuously until the mixture is hot but not boiling.

2. In a separate bowl, whisk together egg yolks. Gradually pour the hot cream mixture into the egg yolks, stirring constantly to temper the eggs.

3. Return the mixture to the saucepan and cook over low heat, stirring constantly until the mixture thickens enough to coat the back of a spoon. This is known as the custard base.

4. Remove the custard base from heat and stir in vanilla extract. Let the mixture cool to room temperature, then cover and refrigerate for at least 4 hours or overnight to chill.

5. Once the custard base is chilled, pour it into a shallow baking dish and place it in the freezer. Every 30 minutes, stir the mixture to break up any ice crystals that form. Repeat this process for 2-3 hours until the ice cream is frozen but still creamy.

6. Once the ice cream reaches the desired consistency, transfer it to an airtight container and freeze for an additional 2 hours to firm up.

7. When ready to serve, let the ice cream sit at room temperature for a few minutes to soften slightly before scooping.

By following this principle, you can create a delicious homemade vanilla ice cream that is creamy, rich, and packed with vanilla flavor. Homescale vanilla ice cream processing allows you to enjoy the taste of homemade ice cream without the need for special equipment, making it a fun and rewarding process for any home cook.