my daughter will be turning 3 years old in March. her weight is 12.5kg she eats her meal but throws a lot of tantrums what should I do or give her so that she gains weight??

A. Give protein in the diet of your child both veg and non-veg whatever you would prefer offering to the child class a balance nutritious Dad where you should include all the family foods plus moderate amount of fats and cards should also be a part of your child’s every day night and for what are your child throwing tantrums that is not clear to me can you please elaborate on that part