Hello, my daughter's weight gain is not adequate.She is 14 months old but her weight is only 8.2. What should I give her to gain weight

A. hello dear mum , deficiency of nutrient like iron cna affect so consult doctor give 3 meals 1 snack energy dense foods protein in every meal legumes beans sprout / egg non veg , full fat milk milk product not more than 300 ml , avoid bottle feed powdered nuts , ghee to food