1 If you're a beginner, start with 3 to 4 days of the cardio exercise of your choice, working at a level you can handle.  Add time each week to work your way up to 30 to 45 minutes of continuous exercise.
Center turkey breast on rack. Transfer to oven, and roast until juices run clear and an instant-read thermometer reads 165 degrees when inserted into the thickest part of the breast, about 1 hour and 20 minutes.Transfer to a platter, and let rest for 10 minutes before carving.enter turkey breast on rack. Transfer to oven, and roast until juices run clear and an instant-read thermometer reads 165 degrees when inserted into the thickest part of the breast, about 1 hour and 20 minutes.
1 Place the turkey breast on a rack in a roasting pan. 2  Brush turkey with the melted butter, then season generously with Kosher salt and black pepper. 3  Roast for 45 minutes to 1 hour, basting twice with stock â once after about 15 minutes and again about 15 minutes later.oasted turkey breast is a great alternative to roasting a whole turkey. You can roast a turkey breast in about an hour, as compared with up to five hours for a whole turkey. And since there's no dark meat to worry about, the breast comes out moist and juicy.