A Weight Gain Diet should focus on consuming calorie-dense, nutritious foods while maintaining a balanced intake of proteins, healthy fats, and carbohydrates. Include whole grains, nuts, seeds, dairy, eggs, lean meats, and legumes in your meals. Healthy fats like avocados, olive oil, and ghee provide extra calories. Frequent meals and snacks help increase calorie intake. Smoothies wit... https://www.health-total.com/weight-loss-articles/healthy-weight-gain-diet-plan-how-to-build-a-balanced-diet-for-gaining-weight/