Neer More (South Indian-Style Spiced Buttermilk) Recipe

In a blender combine buttermilk, water, lemon juice, ginger, jalapeno, cilantro, asafoetida, and a pinch of salt. Cover and blend on high speed until mixture takes on a greenish tint, about 10 seconds. Taste and adjust for salt, then set aside. Heat oil in a medium skillet over medium high heat until shimmering. Add mustard seeds and curry leaves, coat with oil, and cook until the mustard seeds begin to crackle and pop, 1 minute or less. Immediately remove from heat and add to blender. Stir mixture together until well combined, then serve immediately.