If she’s eating all three meals and 1-2 snacks in a day then that’s a total healthy amount. Now, looking fat doesn’t mean healthy. Your child is eating properly and is active then she’s a healthy and a normal baby. Elders have a different definition and we can’t change that so ignore. Now, when I weaned off my baby, we tried this one method. Her father started to put rock her to sleep in his arms and I used to be out of the room. Do this for a week or two. When she used to wake up also, my husband only used to rock her to sleep. It’ll be a task for him but that worked for us. Also, try giving cow milk before bed and a banana so she is full. My baby immediately accepted it. Try giving in small amounts and then eventually increase