prime rib

So I wanted to try something a little different for prime rib. I was hugely happy with the results. When I get prime rib, I have a local butcher shop. I asked them to cut the bones and tie them back on. The guy cut the bones most of the way off. Super easy to remove after cooking. So...

Has anyone used Heffer Dust on prime rib? If so, how did it come out?

Here's what I got Prime Rib second cook looks good but wanted to see what others thought. Share your cooks.

INGREDIENTS: 1, 8-10lb. prime rib 2 tbsp grain mustard 2 tbsp prepared horseradish 2 tbsp garlic, chopped 1 tbsp oregano, chopped 1 tbsp sage, chopped 1 tbsp parsley, chopped 3-4 tbsp Rec Tec Grills Ben's Heffer Dust INSTRUCTIONS: Pre-heat RecTec grill to 275°F. On a...