- 2 tablespoons extra-virgin olive oil
- 1 teaspoon Italian seasoning
- 1 teaspoon dried rosemary, crushed
- 2 potatoes, peeled and diced
- 2 carrots, peeled and diced
- 1 parsnip, peeled and diced
- 1/2 cup chicken stock, or to taste
- 1/2 cup milk, or to taste
- salt and ground black pepper to taste
- Preheat oven to 400 degrees F (200 degrees C).
- Beat olive oil, Italian seasoning, and rosemary together in a bowl with a whisk; add potatoes, carrots, and parsnip and stir to coat. Pour vegetables into a baking dish.
- Roast vegetables in the preheated oven until tender and browning, about 30 minutes.
- Cool vegetables at room temperature until cool enough to handle.
- Put vegetables, chicken stock, and milk in a blender. Blend until smooth. Add more stock or milk to achieve your preferred texture.
- Pour soup into saucepan over medium heat; cook until hot, about 5 minutes. Season with salt and pepper.