Reduce heat to medium-low. Add larger quesadilla to skillet. Cook 1 minute; turn. Gently crack egg into hole in quesadilla. Drizzle egg with water. Reduce heat to low. Cover and cook 6 to 8 minutes or until egg yolk is firm, not runny. Sprinkle with avocado, queso fresco cheese and cilantro. Serve with salsa.