Season Chicken Breasts With Lemon Pepper, Salt, Dill Weed, And Garlic Powder. Melt Butter In A Large Skillet Over Medium Heat. Place Breasts In Skillet, And Increase Heat To Medium-High. Turn Chicken Frequently, Until Brown, About 5 Minutes. Reduce Heat To Medium, And Cook 5 To 7 Minutes, Until Breasts Are Cooked Through. Remove Chicken To A Warm Serving Platter, And Cover With Foil. Return Skillet To Stove, And Increase Heat To High. Whisk In Whipping Cream, Whisking Continuously Until Reduced To Sauce Consistency, About 3 Minutes. Remove From Heat. Stir In Capers. Pour Sauce Over Chicken, And Serve.