1.Make Diagonal Cuts In Steak At 1-In. Intervals To Within 1/2 In. Of Bottom Of Meat. Repeat Cuts In Opposite Direction. Pound To 1/2 In. Thickness. Place Bacon Down The Center Of The Meat. In A Bowl, Combine The Spinach, Parmesan Cheese, Salt And Cayenne; Spoon Over Bacon. Roll Up And Secure With Toothpicks. Cut Into Six Slices. 2.Grill, Uncovered, Over Medium Heat For 6 Minutes On Each Side Or Until Meat Reaches Desired Doneness (For Medium-Rare, A Meat Thermometer Should Read 145 Degrees F; Medium, 160 Degrees F; Well-Done, 170 Degrees F). Discard Toothpicks.