Step #2 Drain in a colander, then rinse under cold water to stop cooking.
Step #3 Heat oil in a small heavy skillet over moderately low heat until hot but not smoking, stirring until fragrant & a shade darker, then cook cumin, about 30 seconds.
Step #4 Pour into large heatproof bowl.
Step #5 Add edamame & remaining ingredients to cumin oil & toss to coat.