Hello doctors…m a brestfeeding mum if 14 months old….could you help me with needful diet i should take to gain weight

A. hello have a balanced nutritious diet consisting of variety of food groups fruits and vegetables, dry fruits, nuts, green leafy vegetables, egg, non veg, soya, pulses, beans, milk and its products whole grain like oats have good intake of fluids and water small frequent meals exercise for muscle gain