Potatoes with Mustard Seeds and Onions | Saveur

Ingredients

• 2-3 tbsp. vegetable oil
• 1 tbsp. brown mustard seeds
• 2 tbsp. urad dal
• 1-3 dried hot red chiles, halved lengthwise
• 20 fresh curry leaves (optional)
• 2 medium onions, quartered and thinly sliced
• 1 tsp. salt
• ¹⁄₂ tsp. ground turmeric
• ¹⁄₂ tsp. cayenne
• 1 lb. potatoes, peeled and cut into 1⁄2" dice
• 1 tomato, chopped
• Pinch of ground asafetida