In a large pot combine the water and kosher salt.
Rinse and pat dry the turkey breast.
Place the turkey breast in the large pot and refrigerate for a minimum of 24 hours.
Rinse the turkey and pat dry it with a paper towel.
Preheat oven to 325 degrees F.
In a small bowl, mix the softened butter, chopped garlic, thyme, salt, and pepper.
Rub the butter mixture under the skin and outside of the turkey breast.
Cover the turkey with foil and bake for 2 1/2 hours.
In a small bowl combine the melted butter and maple syrup.
Brush the entire turkey breast with the maple mixture.
Place the turkey back in the oven, uncovered, while brushing with the maple butter every 15 minutes, and cook until the thickest part of the turkey reaches 165 degrees F.
Let the turkey breast rest for 20 minutes covered before carving.