Cook soba noodles according to package directions
Peel cucumber and carrots into noodle-like strands
Combine cooked soba noodles, cucumber noodles, carrot noodles, purple cabbage, green onions, and edamame in a bowl
Whisk together miso paste, soy sauce, rice vinegar, sesame oil, lime juice, honey, garlic, and onion powder to make dressing
Pour dressing over noodle mixture and toss to combine
Top with chopped cashews and sesame seeds
Serve chilled or at room temperature
