Put ground beef into a mixing bowl.

Add chopped parsley, onion to the ground beef and mix together.

Add the egg yolk and mix well.

Add seasoning.

Break mix into 4 equal sized balls and on a flat surface pat the balls into round flat circles.

Keep in freezer for atleast 12 hrs in order to make it firm.

Preheat a little butter in a pan.

Gently fry burgers on both sides until cooked through.

Cut the burger from middle and toast the inside.

Spread a little butter/mayonise/ketchup on inside of the bun.

While warm add the burger.

:- Serve with french fries and salad.