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 herb sprigs and onion in the baking dish around the turkey breast. 2  Bake for 30 minutes at 425Â°. 3  Reduce the heat to 325Â° and continue baking for 45 to 60 minutes, or until it reaches an internal temperature of 165Â°.4  Allow the turkey to rest before slicing. Place the turkey breast half in the prepared pan. 2  In a small dish, combine the butter, thyme, tarragon, and sage. 3  Loosen the skin of the breast and spread the butter evenly under the skin. 4  Sprinkle the skin generously with salt and pepper.