Perfectly Tender Beef Roast in Crock Pot

Ingredients

• 3-4 lbs boneless beef chuck roast
• 2 tablespoons olive oil
• 1 teaspoon salt
• 1 teaspoon black pepper
• 1 teaspoon garlic powder
• 1 teaspoon dried thyme
• 4 medium-sized carrots, peeled and chopped
• 3 medium-sized potatoes, peeled and diced
• 2 stalks celery, chopped
• 1 large onion, sliced
• 2 cups beef broth
• 2 tablespoons tomato paste
• 1 tablespoon Worcestershire sauce