Paul McCartneys Simpsons cameo came with a side of soup!

Naturally, most viewers assumed this was just another absurdSimpsonsgag.

Its a charming example of his ability to mix humor with a cause hes deeply passionate about.

an image of Paul McCartney

Photo:Kevin Mazur/ Getty Images

McCartney may not have given us detailed instructions, but his recipe is about as simple as it gets.

Let them saute until softened and fragrant.

Next, add the lentils, bay leaf and vegetable stock, bringing everything to a boil.