I like mine tender but not mushy, so for this recipe, I roasted them for about 30-35 minutes at 425 degrees F in total (covered with foil for the … Cut off the root tip and leaves if they are still attached. 2. Directions Preheat oven to 425°. Spread parsnips on 2 large baking sheets, being sure to not overcrowd. Wash the parsnips. How Long to Roast Parsnips It depends on the size of your parsnips and how tender you want them to be. Toss to evenly coat.

Steps. Rub them under running water to remove dirt. Drizzle with olive oil and season with oregano, salt, pepper, and red pepper flakes.