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 for 30 minutes @ 450*. * Place Roast on a rack into the oven @ 450* for 20 minutes. * Reduced the heat to 200*. * Set the Digital Temperature Probe for 160*. * Hit 160* in 8.5 hours total time including the 20 minute browning phase. * Oven temperature was reduced down to 140* and the roast was allowed to rest uncovered for an additional 2 hours.