- Heat 1 teaspoon of oil in a skillet. Add the shallots and the red chili peppers and a pinch of salt. Saute over medium-high heat, stirring frequently. Add the tamarind and continue to saute for another couple of minutes. Remove the onions to a blender and add ¼ cup of water and season with salt as needed. Blend into a smooth paste Remove the chutney to a bowl. In the same skillet used to caramelize the onions, add the remaining ½ teaspoon of oil. Add the mustard seeds and, when they sputter, add the ural dal and curry leaves. Stir. Pour the mustard-urad dal mixture over the chutney and mix.