What are the core ingredients of a bechamel sauce?
A bechamel (or béchamel) is a creamy white sauce used in dishes like lasagna, mac and cheese, soufflés, gratins, moussaka and casseroles... The core ingredients consist of butter, flour and milk.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What are the core ingredients of a bechamel sauce?
### Input: 
### Response: A bechamel (or béchamel) is a creamy white sauce used in dishes like lasagna, mac and cheese, soufflés, gratins, moussaka and casseroles... The core ingredients consist of butter, flour and milk.