Simple aloo sabzi (potato vegetable)

Ingredients

• 3 medium potatoes, peeled and cubed
• 2 medium tomatoes, chopped
• 1 tablespoon. Ghee
• 1 teaspoon. Cumin seeds
• 1-inch piece ginger, finely chopped
• ½ teaspoon. Coriander powder
• 1 teaspoon. Cumin powder
• Juice of ½ lemon
• Salt or sindalu salt to taste
• 2 tablespoons. chopped coriander leaves