Season the chuck roast generously with salt and pepper.

Heat olive oil in a skillet over medium-high heat and brown the roast on all sides.

Place the browned roast into the slow cooker.

In the same skillet, sauté onions and garlic until softened.

Add the sautéed onions and garlic to the slow cooker over the roast.

Arrange the potatoes and carrots around the roast in the slow cooker.

Pour beef broth and Worcestershire sauce over the ingredients in the slow cooker.

Sprinkle dried thyme and rosemary over the top.

Cover and cook on low for 8 hours or until the roast is tender and vegetables are cooked through.

Remove the roast and vegetables from the slow cooker, slice the roast, and serve.