This should help you
HOMEMADE WEIGHT-GAINER
3 cups of whole milk
3 whole eggs
1 cup of vanilla (chocolate or strawberry can be substituted) ice cream
2 bananas
1 cup of nonfat-powdered milk
This is a HIGH powdered protein shake that comes to about 1600 calories, so taking this at least two times a day, you should pack on considerable size onto your frame.