Pot Roast with Butternut Squash and Dried Plums

Name: Pot Roast with Butternut Squash and Dried Plums
Ingredients: 1 tablespoon olive oil; 1 3 pound chuck roast, tied; Kosher salt and fresh ground pepper; 3 celery ribs, diced; 2 large vidalia onions, diced; 1/2 teaspoon crushed red pepper; 3 garlic cloves, minced; 1/2 cup tomato paste; 1/2 cup red wine; 1 teaspoon cider vinegar; 1/2 teaspoon cinnamon; 3 bay leaves; 4 sprigs fresh thyme; 3 sprigs fresh sage; 3 cups beef stock; 2 cups 1/2 inch diced butternut squash; 6-8 dried plums, cut in half