1/4teaspoonshichimi togarashiJapanese "7 flavor spice" easily found on the interwebs. I get mine from spicehouse.com
ACTIVE TIME: 20 minutesminutes
TOTAL TIME: 35 minutesminutes
Heat oven to 400ºF.
Place the edamame, corn, scallion, garlic, olive oil, the salt, and pepper into a 9-by-13-inch metal pan and stir to combine. Place on the middle rack of the oven and roast until the edamame just begins to brown, 10 to 15 minutes. Remove from the oven and place in the refrigerator until completely cool, about 30 minutes.
Add the tomato, basil, and vinegar to the edamame mixture and toss to combine. Taste and adjust seasoning as desired. Serve chilled or at room temperature.