1.In A Heavy 12-Inch Skillet, Heat Olive Oil Over Medium Heat. 2.Add Garlic Clove And Cook For 2 Minutes, Stirring Constantly. 3.Remove The Garlic And Discard. 4.Add All The Nuts To The Garlic-Infused Oil And Cook For 5 To 6 Minutes, Or Until They Are Browned (Stir Constantly To Prevent Burning). 5.Add Bacon, Sea Salt (If Desired), And Black Pepper. Cook 2 To 3 Minutes. 6.Rinse And Dry Watercress. Add It To The Oil. 7.Working Quickly, Toss Watercress Into Mixture, Making Sure It Is Well Coated And Barely Heated Through (If Left Too Long It Loses Some Of Its Crispiness). 8.Season To Taste And Serve Immediately.