Steps
1. Peel and dice the sweet potato.
2. Slice the zucchini and leek.
3. Heat olive oil in a pan over medium heat.
4. Add the sweet potato and sauté for 5 minutes.
5. Add the zucchini and leek, season with salt and pepper.
6. Stir-fry for another 5-7 minutes until vegetables are tender.
7. Serve hot and enjoy!