Task: make frosting
Assumptions:
Make vanilla buttercream frosting.
Steps:
Combine butter and powdered sugar with a spoon in a bowl.
Add 1 tablespoon of the milk and the vanilla.
Stir the batter.
Pour milk into frosting gradually until it reaches the required cream consistency.
Add more milk if the frosting is too thick.
Add a small amount of powdered sugar if the frosting is too thin.