Heat oil over medium heat. Add seeds and cook until well toasted. (For oil free, dry roast the seeds over medium heat until fragrant, then add 2 tbsp water or broth and proceed).
Add the chili and garlic and reduce heat to medium low. Cook until golden, you can also add in1/4 cup cooked onion here.
Add the turmeric and paprika and mix in. Add the potatoes and toss well for a few seconds.
Add tomatoes, cilantro, salt and 1 cup water. Mix well, cover and cook for 12 to 14 mins or until potatoes are tender.( You can add some cooked chickpeas at this point to make it into a meal).
Add in the spinach in2 batches, cover and wilt. then mix in, add a dash of salt and cover and cook for another minute. Taste and adjust salt and flavor. You can also add in some garam masala or curry powder.
Serve with flatbread or rice.