In a food processor, combine chickpeas, tahini, lemon peel, lemon juice, garlic, salt, and 1/8 to 1/4 teaspoon cayenne pepper. Cover and blend or process until smooth adding enough water to bring to desired consistency. Spoon into a serving bowl.
Refrigerate up to 48 hours. Top with cherry tomatoes, chives, a small drizzle of olive oil, a sprinkle of additional cayenne pepper, and your choice of dippers. Makes 6 to 8 side-dish servings (1-3/4 cups).