Steps
1. Heat oil in a pan over medium heat.
2. Add sliced potatoes and cook until slightly golden.
3. Add onions and cook until translucent.
4. Stir in diced tomatoes and cook for a few minutes.
5. In a bowl, mix soy sauce, yogurt, salt, and pepper.
6. Pour the sauce over the vegetables and stir well.
7. Cook for another 2-3 minutes until everything is heated through.
8. Serve hot and enjoy!