Chicken blood with onions is a classic recipe that has remained in many family kitchens, not only for its tasty flavor profile but also for its nutritional contributions. This dish is particularly rich in protein, as the chicken blood constitutes 67% of its composition. It also includes onions (28%), white wine (2%), extra virgin olive oil (2%), salt (0.13%), and bay leaves (0.02%). The result is an energy-dense dish that is enjoyed not only for its delicious taste but also for its significant iron content, essential for a balanced diet. This refrigerated version offers a practical and quick option, ready to consume, making it an excellent choice for those who value traditional cooking while seeking convenience in their meals.