In food processor, pulse the flesh from 2 cooked sweet potatoes with 1/2 cup rinsed, canned chickpeas, 1/4 cup tahini, 1 clove garlic, 1/2 tsp. lime zest and 1/4 tsp. ground coriander until smooth; season. Transfer to bowl, drizzle with EVOO and sprinkle with 1/2 tsp. lime zest. Serve with pita chips and veggies for dipping.