I wish more people presented recipes like cooking for engineers. For example - Meat Lasagna https://www.cookingforengineers.com/recipe/36/Meat-Lasagna
When I saw them, they blew my mind. Short to store and easy to understand.
That is, when baking, you can usually (again, exceptions for creaming the sugar in butter, etc.) take all of your dry ingredients and mix/sift them together, and then you pour your wet ingredients in a well you’ve made in the dry ingredients (these can also usually be mixed together).
But for shortbread or fork biscuits those three could indeed all go in the bowl in one go (but that one admittedly doesn't really need a bracket because the recipe is "put in bowl, mix with hands, bake").