Beef Pot Roast with Cider Gravy and Maple Sweet Potatoes

Ingredients

• 1 beef Shoulder Roast (3 to 3-1/2 pounds)
• 2 teaspoons olive oil
• 1-1/2 teaspoons salt
• 3/4 teaspoon pepper, divided
• 1 cup chopped onion
• 1 tablespoon chopped fresh thyme
• 1 cup unsalted beef broth
• 3/4 cup apple cider
• 3 pounds sweet potatoes, peeled, cut crosswise into 1 to 1-1/2 inch pieces
• 2 teaspoons minced garlic
• 2 tablespoons maple syrup
• 1 teaspoon minced fresh ginger
• 2 tablespoons cornstarch dissolved in 2 tablespoons brandy or water