Place the turkey breast in a 9 byinch roasting pan. Spread the mustard mixture over the top and sides of the turkey to form a crust. Add the onions, carrots.
Roasting a whole turkey is always tricky, since the breast can dry out while the dark meat finishes cooking. To get around that problem, Melissa Rubel.
Brining in a blend of kosher salt, sugar, spices, and water infuses this turkey breast with a wonderful flavor and keeps it tender and very juicy.