Sweet Potato Turkey Cottage Pie

Ingredients

• 1 (20-ounce) package of ground turkey
• 1 small onion, peeled and chopped
• 3 cloves garlic, peeled and finely minced
• 2 pounds sweet potatoes, scrubbed clean
• 1 (16-ounce) package of frozen petite mixed vegetables (to include peas, corn, green beans and carrots), defrosted
• 1 teaspoon salt
• 1 teaspoon ground black pepper
• 2 cups prepared turkey gravy
• 3 cups chicken broth
• 1 each green onion, green part only, sliced (for garnish)