PESTO: Place all of the ingredients in a blender and pulse until mixed well. Refrigerate until ready to use.
MARINADE: Combine Lime Ponzu, rosemary, thyme parsley, garlic and sherry in a large bowl. Put steak in a large zip lock bag, pour marinade over the steak and marinate for at least 1 hour. Grill to desired doneness, serve with pesto.
Makes 4 servings.
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