The National Paralegal College reports that the test was first introduced during a 1970 U.S. Supreme Court case, Lemon v. Kurtzman.
Preheat oven to 450Â°F. Toss parsnips with oil and salt to taste in a shallow (1-inch-deep) baking pan and roast in middle of oven, turning over halfway through cooking, until golden and tender, 30 to 35 minutes total.oss parsnips with oil and salt to taste in a shallow (1-inch-deep) baking pan and roast in middle of oven, turning over halfway through cooking, until golden and tender, 30 to 35 minutes total.
Potatoes, carrots, parsnips, butternut squash, beets*. *Denotes a shorter or longer roasting time than 30-40 minutes (refer to the other charts on this page for the roasting time for this vegetable). To combine fast and slow roasting foods, put the slow roasting foods into the oven first.