1. Olive oil
Use olive oil as a salad dressing or to sauté any food item. This oil is rich in monounsaturated fats, antioxidants, and a wide array of vitamins, such as vitamin E, which is vital for a healthy immune system and helps with children’s neurological development. You may try the extra virgin olive oil.
Bananas are packed with nutrients that help in easy digestion. They are high in fiber, potassium, magnesium, and vitamin B6, which make them one of the best high-calorie foods for kids. The fruit is thus ideal for weight gain.