Place cut side down on a baking tray and roast for 40–45 minutes, or until tender. While the squash is roasting, rinse the quinoa and add it to a saucepan with the vegetable stock.
Using your hands, carefully loosen the skin from the flesh of the turkey breasts. Lower the turkey, breast-side down, into the brine. Cover and refrigerate for 6 hours (but no longer). To make the ...