You will find it very easy to remove all the feathers. Cut off the feet and discard. Cut open the body from the vent to the tip of the breastbone and remove the internal organs. The heart, liver, and gizzard should be saved. Rinse the birds well with cool water and refrigerate immediately.
Squabs are rich and tender and can be split and broiled or grilled or stuffed and roasted.
The parent birds will soon mate again and lay another pair of eggs. They will do this five or six times a year. As time goes on, you will want to keep a few of the young birds for replacement breeders. Try not to keep litter mates, but select young from different pairs. It is difficult to sex young pigeons, even old pigeon hands who claim expertise in this area are wrong as often as not.