Definition of "tatsoi" []

• Brassica rapa narinosa or Brassica rapa var. rosularis, an Asian variety of Brassica rapa grown for greens, lately popular in North American cuisine. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Spicy and bitter leaves such as tatsoi, mizuna, rocket, mustard, frisée and chicory are all the rage - but if you prefer milder, more succulent leaves, lamb's lettuce or purslane will do very nicely."
• "It's a natural progression, in fact, because Bittman's actually been touting tatsoi and pushing purslane for more than a decade."
• "For the salad, Mr. Maws suggests tatsoi, a spiky heirloom green—though arugula or a mix of soft herbs, such as parsley, tarragon or mint, are good substitutes."