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.
Preheat the oven to 325 degrees F. Rub the turkey all over with the butter, including the cavity of the breast. Season generously with salt and pepper. Scatter the vegetables on the bottom of a roasting pan just large enough to hold the turkey. Set the meat breast-side up in the pan.Roast for 2 to 2 1/2 hours or until an instant read thermometer inserted into the thickest part of the roast registers 160 degrees F. Transfer the turkey to a cutting board and tent loosely with foil for 30 minutes.reheat the oven to 325 degrees F. Rub the turkey all over with the butter, including the cavity of the breast. Season generously with salt and pepper. Scatter the vegetables on the bottom of a roasting pan just large enough to hold the turkey. Set the meat breast-side up in the pan.