how long to cook half a turkey breast
1 Cover the roasting pan loosely with aluminum foil while it cooks. 2  This will allow the skin on the turkey breast to brown and keep the meat moist. 3  Roast for 20 minutes per pound. 4  For example, a 5 pound (2.26 kg) turkey breast will take one hour and 40 minutes to cook. Use an outdoor propane fryer or an indoor electric fryer. 2  Heat the oil in the fryer and put the turkey breast into the oil for frying. 3  Cook for 4 to 5 minutes per pound. 4  For example, a 5 pound (2.26 kg) turkey breast will cook for 20 to 25 minutes.