Brining does two things to poultry. it seasons the meat nicely all the way through, and it keeps it moist as it cooks. You can make a double recipe of the brine and do a whole turkey, and just roast it as you usually would. You will be amazed at the results.

Brine

2 L water
125 ml salt
125 ml sugar
1/2 tsp pepper

Place all ingredients in a saucepan and bring to a boil.
Remove from heat and allow to cool completely

1 boneless half turkey breast, 3-4 lb
olive oil
coarse salt
freshly ground pepper

Place turkey breast in brine and refrigerate overnight.
Remove from brine, pat dry, rub with olive oil, and season well with coarse salt and pepper
Place on a rack in a roasting pan and cook for 1 1/2 hours, or until a meat thermometer registers 165 F
Remove from heat and allow to rest a half hour before carving.