Moist and Tender Turkey Breast

"A girlfriend told me about the mayo trick when I was first married and I've never roasted a turkey or turkey breast without it since. The skin is crisp and flavorful and the meat is tender, moist and delicious. If you don't use the butter and broth, you will not have enough pan drippings to make gravy and you don't want to do that because this combo makes the best tasting gravy I've ever had. I've also added 1/2 cup of beer or wine to the mixture before and it was also spectacular. With slow roasting it, the meat stays so juicy I've actually had it squirt out when I insert the thermometer! I've never had a better turkey or turkey breast...."