>>40287459 (OP)Doing that is a good way to get an American cottage cheese amorphous Jazz Jennings body.
Not only should you not be aiming for rapid weight gain you should not be consuming goyslop.
If you want to gain weight and look good you should be consuming lots of complex carbohydrates and plenty of natural fats. This means pasta, potatoes and bread. Real cheese, full cream milk and nuts.
There's a reason that fat American women have no curves and look like beanbag chairs whereas Euros (not including Brits) and East Asians are plump and shapely. Exercise is also very important.
Inverting the food triangle is not the way to go. Ballooning out is not the way to go. If you try to take the easy route you will suffer for it.
