My wife and I are camping in up north MN for a couple of weeks. I have been trying to find something to throw on the weber Kamado but have not been having any luck finding anything under $50. I did find a small-town grocery store that sold 'Flat Iron Roasts" They looked well-marbled, weighed around 2.5 pounds, and were under $6 a pound. However, I have never used this cut of meat. What would be the best method and what IT do I want to bring the roast to?