Roast beef: Mix the soy sauce and the sesame oil together and cover each slice of roast beef with a brush. Season roast beef with ground pepper.
Maille® Old Style mustard cream: Whip the whipping cream to make it rise. Then mix in Maille® Old Style mustard and season with salt and pepper.
Generously cover the inside of tortilla wraps with Maille® Old Style mustard cream. Lay in the center of each tortilla one slice of roast beef. Add the avocado and Maille® cornichons on top of the meat. Roll it up tightly together. Cut the wrap in the middle at an angle. Serve cold.