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.
Toss carrots and parsnips with 2 Tbsp. oil, season with salt, and spread in a single layer on prepared baking sheet. Roast until vegetables begin to brown, 20 to 25 minutes, shaking pan 2 or 3 times during cooking time. Mix remaining oil, garlic and thyme.oss carrots and parsnips with 2 Tbsp. oil, season with salt, and spread in a single layer on prepared baking sheet. Roast until vegetables begin to brown, 20 to 25 minutes, shaking pan 2 or 3 times during cooking time. Mix remaining oil, garlic and thyme.