The Roast a.k.a. Mississippi Pot Roast a.k.a. The Roast That Owns the Internet Ingredients: 3–4 lb chuck roast 12 oz jar pepperoncini (with juice) ½ stick butter 1 brown gravy mix packet 1 ranch dressing mix packet 2 tsp Cast Iron & Cocktails Seasoning Blend 8 oz sliced mushrooms (optional) Build: 1a. Heat a large cast iron skillet over medium-high and add a light coating of oil. Sear the chuck roast on both sides until browned, about 3–4 minutes per side. Transfer to a crock