Blanch edamame in boiling salted water 3 to 4 min. until tender; drain and rinse under cold water.
Place edamame, cilantro, tahini paste, 1/2 tsp (2 mL) lemon zest, lemon juice, 3 tbsp (45 mL) olive oil, 1 tbsp (15 mL) water, garlic, cumin, salt and pepper in food processor; blitz to desired texture. Add additional tahini , lemon juice or water for a smoother dip, if desired. Transfer to serving bowl. Drizzle with remaining oil and sprinkle with remaining lemon zest. Store refrigerated in airtight container for up to 2 days.