What does it mean by 2 parts to 1 part?
The ratio of those two ingredients is 2 to 1. That means that the amount of oil will be double the amount of vinegar. So if you want enough salad dressing to feed your family, you might choose to make 1-1/2 cups, or 1 cup of oil to 1/2 cup vinegar.
What does part mean in drinks?
A part is simply a relative measurement and works for single drinks and large batches. For example, when the recipe calls for 1 part of ingredient A, and 2 parts of ingredient B, you use twice as much of ingredient B. Dash or Splash. A dash is bigger than a splash, but both are small amounts.
