1. Cut and discard peel and white membrane from orange. Cut between segments to release fruit. Cut fruit into 1/2-inch chunks and put in a bowl.
2. Peel and pit avocado. Cut into 1/2-inch chunks and mix with orange chunks. Stir in lime juice, onions, and cilantro. Add chili flakes and salt to taste.
Nutritional analysis per tablespoon.