In a food processor combine edamame, avocado, onion, lemon juice, pesto, the ¾ tsp. salt, and the ¼ tsp. pepper.
Cover and process until well combined and nearly smooth.
Place dip in an airtight container; cover.
Chill until serving time.
To serve, top with chopped tomato and additional sea salt and pepper.
Serve with your choice of chips
Serving Size 8 servings