It's dinner time!

Ingredients

• 3 tablespoons cooking oil
• 1 teaspoon mustard seeds
• 2 sprigs fresh curry leaves
• 1 pinch asafoetida powder
• 1 onion, minced
• 1 cup finely chopped potatoes
• 4 green chile peppers, chopped
• ½ teaspoon ground turmeric
• ¼ teaspoon white sugar
• salt to taste
• 4 cups cold, cooked white rice
• 3 tablespoons lime juice, or to taste
• 1 tablespoon chopped fresh cilantro