The apple is both, a symbol for temptation and also food. Therefore, using an apple in the design would be nice.
Sagmeister & Walsh made a strong and elaborated design for a drink “Appy Fizz” which is inspirational for further attempts.
Sagmeister&Walsh (2016) Appy Fizz. Available at: http://sagmeisterwalsh.com/work/all/appy-fizz/ (Accessed: 31 May 2016).