temperature for cook beef in a crock pot in oven
2 tablespoons olive oil. Heat the oil in a heavy skillet over medium heat. Season the roast generously with salt and pepper. Sear the meat in the hot skillet, about 3-4 minutes on each side, until the meat has browned. Sear the sides as well as the top and bottom of the roast.Remove from the skillet and place in the crock-pot.Insert an oven-safe meat thermometer into the center of the roast and place the lid on the crockpot. Cook the roast on LOW until the temperature reaches 140 degrees. This took just 90 MINUTES for my roast.ear the sides as well as the top and bottom of the roast. Remove from the skillet and place in the crock-pot. Insert an oven-safe meat thermometer into the center of the roast and place the lid on the crockpot. Cook the roast on LOW until the temperature reaches 140 degrees. This took just 90 MINUTES for my roast.