This is so easy, and simply too good not to try

You will need to

Finely chop;

200g of the best lean steak you can find

40g of finely chopped red onion

40g of finely chopped cornichon

2 teaspons of capers

when they are chopped mix them gently with,

Worcestershire sauce, Tabasco,  salt, black and pepper to taste

Form into a round thick burger shape and top off with a really fresh egg yolk.