How to improve my baby weight without formula?

A. Hai good evening !! Baby age?? If baby is above 6-8 months then you can start semi solids 2 times a day porridges,cerelac,idly,fruit and vegetable puriees ,mashes. Mashed banana,potato,carrot,apple,cerelac with pulses,grains,idly ,curd helps in weight gain . Use ghee,unsalted butter avoid sugar ,salt,oil . Twice a day semi solid ,Rest of the day milk only breast milk or formula milk every 2-3 hours.