Add the edamame to a large bowl. If using frozen edamame, prepare according to the package then rinse with cold water.
Combine the sliced cucumbers, chopped cilantro, and thinly sliced green onions into the bowl with the edamame and toss to combine.
Whisk the dressing ingredients together in a small bowl and then pour over the salad. Mix until well combined.
Taste and adjust according to your preferences. If you want it more acidic, add a splash of rice vinegar. If you want more sweetness, add maple syrup. If you want it spicy, add more red pepper flakes.
Toss once more to combine and top with sesame seeds. Serve immediately or store in an airtight container for up to 3 days!