Season all sides of the roast with salt and pepper
Heat large skillet to medium high heat sear each side of the chuck roast for about 3 to 5 minutes this is the Browing, the meat and help bring out extra flavor. add oil if necessary
Add cuck rost to slow cooker place carrots, potatoes and onions around roast
Added beef brooth,mustard, basil,thyme and onion powder to skillet and mix tell combined. Pour over meat and vegetables.
Cover and let cook for 8 hours on low
Remove the meat from slow cooker and cut in thick slices
Plate and then added vegetables
You can make gravy out of juices by cooking down the juices from the slow cooker. Which is delicious addition