Helping your baby gain weight in a healthy way starts with choosing nutrient-dense, wholesome foods that support steady growth and development. This guide highlights five powerful options, avocado, full-fat yogurt, nut butters, sweet potatoes, and oats, along with soft cheese as a bonus. Each food is rich in healthy fats, protein, complex carbohydrates, and essential vitamins that promote energy, brain development, and strong bones. You’ll also find simple age-appropriate serving ideas, safety tips for introducing allergenic foods, and guidance on building balanced meals for babies after six months. Instead of focusing on quantity alone, the article emphasizes quality nutrition, gentle feeding practices, and monitoring your baby’s unique growth pattern. With practical tips and pediatrician-backed insights, parents can confidently include calorie-dense foods in daily meals to encourage natural, gradual weight gain while supporting overall health, digestion, and milestone development during the first year of life.