U have to b creative when it comes to kids food. They like one food one day and can  reject it other day they r like dis, try to learn simple recipes account to your kids taste, like poha, upmarket, idli, whole wheat pasta, mix veg rice, salted dalia

Try different recipes with different colours and shape... and make eating time intresting...

Don't worry too much about weight. Have you checked with pediatrician?

This is good to refer: https://www.babychakra.com/learn/210-weaning-food-recipe-10-to-12-months

<font color ="#3b5998"><b><a href="http://app.babychakra.com/collection/102">Fun recipes</a></b></font> is a good read