Vegetable Soup With Tamarind and Lemongrass

such as grapeseed, or canola

halved lengthwise and thinly sliced

peeled and thinly sliced

trimmed, cut into 4-inch-long pieces and smashed with the side of a knife

2-inch, piece, scrubbed and grated

with their juices

sliced or whole, depending on your heat preference

or 1/2 cup tamarind purée

medium, scrubbed, cut into thin 1/4-inch rounds

or a small daikon, scrubbed, and cut into 1/4-inch slices

optional

mature

pack, soft or medium firm, drained and broken into large 2 - to 3 - inch chunks

mixed, chopped, such as basil, dill and cilantro