I often do this for simplicity and it doesn’t require any cleaning up. All it requires is: 

1 egg
40g ghee
A small container (ideally not glass or plastic although in this example that’s what I use)
1 Saucepan
Salt and pepper optional of course

Here’s a breakdown of the macros:

I just like having snacks that I don’t have to think about preparing, it’s simple and easy.