Chicken Potpie Soup with Tater Tot Topping

Name: Chicken Potpie Soup with Tater Tot Topping
Ingredients: 3 cups frozen potato tots; 2 tablespoons canola oil; 2 tablespoons unsalted butter; 1 cup chopped carrot; 1 cup chopped parsnip; ½ cup chopped celery; ½ cup chopped onion; ½ cup all-purpose flour; 6 cups low-sodium chicken broth; 3 cups diced cooked chicken or turkey; 1 teaspoon garlic powder; 1 teaspoon onion powder; 1 teaspoon dried marjoram; ½ teaspoon dried sage; 1 cup frozen peas; ½ cup half-and-half; 3 tablespoons chopped fresh parsley