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.
Vegetables for Roasting: Preparation : Approximate Roasting Times at 450 degrees F. Roast vegetables until crisp-tender. Carrots: Trim and peel or scrub baby carrots or regular carrots. Cut regular carrots into bite-size pieces or thin strips. 40 to 45 minutes (Thin strips may cook faster.) Parsnips: Trim and peel parsnips.