In a food processor, process cooked edamame until coarsely chopped. Add avocado, cilantro, lemon zest and lemon juice, garlic, and onion powder. Process until almost smooth, stopping to scrape sides of processor as needed. With the motor running, slowly add olive oil to edamame mixture; process until smooth.
3. Spoon hummus onto a serving platter or bowl. Sprinkle with cilantro, and, if desired, drizzle with additional olive oil. Serve with bias-sliced carrots, radishes, and/or pita chips.