
1) Add and then stir 2) Add to the batter 3) Add to the concoction 4) Add to the stewpot 5) Add to then stir 6) Add while stirring 7) Blend together 8) Ice cream extra 9) Meddle 10) Recipe phrase 11) Sprinkle, then stir 12) Start of a recipe direction
Found on
https://www.crosswordclues.com/clue/mixin

In object-oriented programming languages, a mixin is a class which contains a combination of methods from other classes. How such a combination is done depends on the language, but it is not by inheritance. If a combination contains all methods of combined classes it is equivalent to multiple inheritance. Mixins encourage code reuse and avoid well...
Found on
http://en.wikipedia.org/wiki/Mixin
No exact match found.