Steps
1. Heat oil in a large skillet over medium heat.
2. Add onions and cook until softened, about 5 minutes.
3. Add garlic, ginger, cumin, turmeric, and coriander. Cook for another minute.
4. Add tomatoes and potatoes, stirring to combine.
5. Add water and bring to a simmer.
6. Reduce heat to low and cover with a lid. Simmer until potatoes are tender, about 15 minutes.
7. Serve with naan or rice.