Preheat oven to 425 degrees.
Line a baking sheet with parchment and lay out split bones marrow side up.
Bake Bones for 15-20 minutes until the marrow is bubbly and soft all the way through. Let cool.
Scrape the marrow in to a food processor and add all remaining ingredients, blend until smooth.
Place desired amount on Rosewood Strip Steak and Gratiné under Broiler for 30 seconds till partially melted.
Serve immediately.
