Slow Cooker Pot Roast

Ingredients

• olive oil
• chuck roast
• Salt and freshly ground black pepper
• medium yellow onion
• garlic cloves, )
• cup beef broth
• Worcestershire sauce
• minced fresh thyme
• minced fresh rosemary
• lbs small yukon gold potatoes
• medium carrots
• cornstarch mixed with 3 Tbsp beef broth
• chopped fresh parsley