Slow Cooker Pot Roast For One

Ingredients

• small onion
• medium carrot
• celery rib
• small red potatoes
• teaspoon coarsely ground black pepper
• teaspoon Italian seasoning
• teaspoon garlic powder
• teaspoon onion powder
• teaspoon kosher salt
• ounces boneless chuck roast
• tablespoon avocado oil
• garlic
• beef broth
• tablespoon cornstarch
• tablespoons water