I'm a mother of 1 and half year old baby breastfeeding mother I'm look slim how to gain my weight fast say some tips plse

A. Hello mom was your body weight been less slim before pregnancy as well ? If so your over all body structure might be such ,so you might be lean . You can take dry fruits and nuts, eggs, variety of dals and chana , rajma , whole grain cereals, milk , Panner , ghee , soya , fresh fruit milk shakes