Step 1: Trim and grind the meat twice. Chop finely the onions and egg yolk. If you want to just hand chop that works well also. It doesn't take that much time. Step 2: In a bowl, mix the egg yolk, onions, capers, mustard, Worcestershire sauce, Tabasco sauce, salt and pepper. Step 3: Add olive oil and beat lightly for a few seconds. Step 4: Add meat and parsley. Season with salt and pepper. Beat lightly for a few seconds. Step 5: Refrigerate or serve immediately. Serving: Steak Tartare cannot be preserved more than 2 hours, even in a fridge Serve on crackers or thin slices of toasted baugette or french bread (Crostini)