Rinse poha in a strainer under running water. Let it sit and soften for a few minutes.
Heat 1 tbsp oil in a pan. Add peanuts and roast till golden. Set aside.
In the same pan, heat another tbsp oil. Add mustard seeds, cumin seeds, and curry leaves.
Add chopped green chilies and onions. Sauté till onions are soft.
Add diced potatoes and cook until tender. Sprinkle turmeric, salt, and sugar.
Gently mix in the soaked poha and roasted peanuts. Stir well without breaking it.
Cover and steam on low flame for 2 minutes.
Turn off heat, squeeze lime juice, sprinkle chopped cilantro, and garnish with sev, pomegranate, or coconut if desired.