Place the corn in a microwave-safe bowl with a tiny pinch of salt. Cook it in the microwave for 45 seconds. Stir the corn and continue cooking it at 30-second increments until the corn starts to turn yellow.
Place the edamame in a microwave-safe bowl and cook for 1 minute. Stir the edamame and cook the edamame at 30-second intervals until they are thoroughly warm. Let the corn and edamame cool for 5 minutes before mixing it in the salad.
Mix all the ingredients for the rainbow salad in a large bowl.
In a small bowl, mix all the peanut vinaigrette ingredients together. Pour it into the salad and mix well.
Refrigerate any leftovers in an airtight container. Enjoy!