Chuck Roast in Foil | America's Test Kitchen

Ingredients

• 3 tablespoons cornstarch
• 4 teaspoons onion powder
• 2 teaspoons light brown sugar
• 2 teaspoons salt
• 1 teaspoon pepper
• 1 teaspoon garlic powder
• 1 teaspoon instant espresso powder
• 1 teaspoon dried thyme
• 1/2 teaspoon celery seed
• 1 (4-pound) boneless beef chuck-eye roast
• 2 onions, peeled and quartered
• 6 small red potatoes, scrubbed and quartered
• 4 carrots, peeled and cut into 1 1/2-inch pieces
• 2 bay leaves
• 2 tablespoons soy sauce