* - Beef Round Or Chuck 1 1/2" Thick, Boneless * ~- * In A Medium Sized Sauce Pan, Over Moderate Heat, Heat The Oil. Add Onion And Saute Until Soft. Add Remaining Ingredients Except For The Beef And Bring To A Simmer. Remove From Heat And Cool. Place Beef In A Glass Baking Dish Just Large Enough To Hold Well. Pour Marinade Over The Beef. Cover And Refrigerate For 12 To 24 Hours. Turn Meat Over Occassionally. Transfer Meat To A Platter And Bring To Room Temperature. Discard Marinade Or Pour Off To Sauce Pan And Heat As Gravy. Heat Broiler Pan Or Grill. Broil Meat 3 To 4 Inches From Heat For 8 To 10 Minutes Per Side. Let Beef Cool For Five Minutes, Then Slice On An Angle, 1/4" Thick. Serve Warm.