what are all the foods, snacks can be given to 11 months baby for weight gain ?

A. You can give potatoes, sweet potatoes, home made freshly prepared curd, ghee, bananas, oats, ragi, homemade cereals etc., After one year you can give all dairy products, non veg items and all that you eat as a family may be in a less spicier version. Always follow the two day gap rule between introducing new foods.