In a mini or regular food processor, combine the garlic, sesame oil, peanut butter, ginger (if using), lime juice, tamari, sugar (if using), and 2 to 3 tablespoons (30–45 mL) water. Process until combined.
Make the Salad:
Cook the soba noodles according to the instructions on the package. Be sure not to overcook them—they should only take 5 to 9 minutes, depending on the brand. Drain the noodles and rinse them under cold water. Transfer the noodles to a large bowl and toss them with a drizzle of extra-virgin olive oil (this prevents the noodles from sticking together).
Add the edamame, bell pepper, cucumber, carrot, green onions, and cilantro to the bowl with the noodles and toss until well combined.
Pour your desired amount of the dressing over the salad and toss to coat. (Any leftover dressing will keep in an airtight container in the refrigerator for up to 1 week.)
Portion the salad into 4 bowls and garnish each serving with a sprinkle of sesame seeds and some green onions. Serve any leftover dressing on the side.
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