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.
Preheat oven to 400 degrees F (200 degrees C). Secure roast with cooking twine. Make 8 (1/2 inch) slits around the roast, and insert 1/2 garlic clove into each slit. Sprinkle with fresh ground pepper. Place on a rack in roasting pan. Roast in preheated oven for 20 minutes. Reduce heat to 325 degrees F, and insert meat thermometer into roast. Continue cooking about 1 hour, or to desired doneness; remove from oven. Loosely cover with foil, and let roast stand 15 minutes before slicing.