Next mix together the pork, bacon, chorizo (I had turkey not pork), parsley, shallot mixture, and salt & pepper.
Let the mixture "meld" overnight.
Then grill the burgers, I made slider size, top with Manchego cheese, a buttered grilled then mayo'd bun, and a few pieces of arugula.
They taste amazing eaten properly or torn apart and stuffed in your mouth. Enjoy!
And go buy the book...I am not giving you this recipe. Everything I have made out of this book has been wonderful.