Anyone here gaining weight? or train kickboxing/mma??

Hu guys kinda new here,

But just wondering if anyone gaining wieght for training ?? or has any tips on how to gain wieght with out feeling a little sick lol

or any tips really.

also does anyone know if you can bring up a food list when "adding" your food i.e lunch ect, as im alway having to go online to check calories and finding it brings me back to the site? and yes I have just worked out theres a barcode scan option lol (hope my qestion makes sense!)
cheers
lee :-)