Sweet Potato & Caramelized Onion Shells Recipe

INGREDIENTS

• 2 large onions, chopped
• 3 tablespoons butter
• 1 teaspoon garlic powder
• 1/4 teaspoon salt
• 21 uncooked jumbo pasta shells
• 1/4 cup reduced-sodium chicken broth
• 1 tablespoon sherryor apple cider
• 1 teaspoon dried thyme
• 1/2 teaspoon pepper
• 1-1/2 cups mashed sweet potatoes
• 1-1/2 cups (6 ounces) crumbled Gorgonzola cheese
• 1/2 cup grated Parmesan cheese
• 2 tablespoons minced fresh parsley
• 1 cup turkey gravy, warmed