The students wondered whether it was possible to detect human - originated compounds in the water systems, and decided to find out by testing for cooking spices in local waters. (scientificamerican.com)
Cook the spices for 2 - 3 minutes to remove the raw flavor. (kneadtocook.com)
Add turmeric, coriander powder, chili powder cook for 2 - 3 minutes, add tomato mix well and cook the spices till the oil separates. (marigoldhemlata.com)