Sweet Potato Surprise: Sakkarai Valli Kizhangu Kozhambu

Ingredients

• Salt to taste
• 1/2 teaspoon cumin seeds
• 1 teaspoon sambar powder
• Fresh coriander leaves for garnish
• 1 onion, finely chopped
• 2 tomatoes, finely chopped
• 1/2 teaspoon mustard seeds
• 250 grams sakkarai valli kizhangu (sweet potato)
• 1/2 teaspoon turmeric powder
• 2 tablespoons oil
• 1/2 teaspoon red chili powder (adjust to taste)
• A few curry leaves
• 1 teaspoon gingergarlic paste
• 2 green chilies, slit