Final answer:
To determine the amount of each ingredient needed for a 20L tub of Heavenly Hash ice cream, you would need the exact recipe and instructions.
Step-by-step explanation:
To make a 20L tub of Heavenly Hash ice cream, you would need the appropriate amounts of each ingredient. Unfortunately, the specific ingredients and their quantities are not provided in the question. However, based on the information given, it seems that the recipe for Heavenly Hash ice cream may include ingredients like cheese, ice cream, milk, milkshake, sherbet, whipped cream, and yogurt.
To determine the amount of each ingredient needed for the 20L tub, you would need the exact recipe and instructions. Without that information, it's impossible to calculate the quantities accurately.
For an accurate answer, you would need to consult a recipe or find the specific ingredient measurements for Heavenly Hash ice cream.