Moms Aloo Gobhi

Name: Mom's Aloo Gobhi
Ingredients: 1 tablespoon oil; 1 teaspoon whole mustard seeds; 1 teaspoon whole cumin seeds; 4 to 5 fresh curry leaves; 1 medium onion, finely chopped; 1 small cauliflower, chopped and separated into florets; 2 medium potatoes, diced; 1/2 teaspoon turmeric powder; 1/2 teaspoon (or as per taste) red chilli powder; 1 teaspoon coriander powder; 1 teaspoon garam masala powder; Salt and pepper, to taste; 2 tablespoons fresh coriander leaves, chopped