Beef Tartar - cooking recipe

Ingredients

6 ounces beef tenderloin, fresh, very high quality
2 teaspoons Dijon mustard
1/2 teaspoon capers, chopped
1/2 teaspoon shallot, finely diced
1/2 teaspoon cornichon, finely diced (small sour pickles)
1 tablespoon extra virgin olive oil
1 egg yolk
salt and pepper

Preparation

Finely chop beef with a sharp knife.
Mix together all remaining ingredients. Add beef to mixture, mixing well.
Serve immediately, with toast or fried potato gaufrette (crisp latticed potato wafers).