"Melt in Your Mouth" Pot Roast

Ingredients

• 1 chuck roast (mine was 3 pounds)
• Olive oil
• 1 pound carrots, peeled and cut into large chunks
• 2 pounds potatoes, peeled and cut into large chunks
• 1 onion, peeled and cut into large chunks
• 2 stalks celery, cut into large chunks (optional)
• 1 cup beef broth
• 1 tablespoon corn starch
• 2 tablespoons steak seasoning (mine is store-bought and has a blend of peppercorns, garlic, paprika, parsley and salt)
• 1 tablespoon kosher salt
• 1 tablespoon dried thyme
• 1 tablespoon dried rosemary