The white powder in a container of Easy Mac is a powdered cheese sauce mix. Easy Mac is a type of instant macaroni and cheese product that is designed for quick and convenient preparation. The white powder is essentially a cheese-flavored sauce that, when mixed with water and microwaved, creates a creamy and cheesy sauce to coat the cooked macaroni noodles.
The reason the cheese sauce is in powdered form is to increase the shelf life and stability of the product. By removing the water content from the cheese sauce, it becomes less susceptible to spoilage and can be stored at room temperature for an extended period.
To prepare Easy Mac, you typically pour the dry macaroni noodles into a microwave-safe container, add water, and then sprinkle the powdered cheese sauce mix on top. After microwaving, the cheese powder reconstitutes with the water and forms a sauce that coats the noodles, creating a quick and easy macaroni and cheese meal.