<s>[INST] context: Do you like eating chocolate? Companies spend millions of dollars on tools and machines to make chocolate. With a little ingredients, however, you can turn your kitchen into a chocolate factory. Today we will teach the Cocoa Powder  Method , it is easier for beginners. Try it and make your own homemade chocolate.
Here are the ingredients   you need:
cocoa powder -- 2 cups (220g) ; butter -- 3/4 cup (170g); sugar -- 3/4 cup (100g); milk -- 2/3 cup (150ml); salt -- a little bit ; water -- 1 cup (235ml).
Now, please follow these steps. First, mix the cocoa powder and butter in a bowl until you have a smooth paste  . Then , add the cocoa powder mixture    to the hot water and stir . Allow the temperature to rise back up. Put the hot mixture into a bowl,  stir the sugar mixture into the hot cocoa mix. Add milk, stir until smooth. At last, put the mixture into different containers . The chocolate will take the shape of the container. You can put it in the fridge to harden it.
We hope you can enjoy your homemade chocolate. [/INST] question: What is NOT necessary when we are making chocolate? | options: A: cocoa power B: salt C: water D: egg | answer: D </s>