From the roundup: 24 Thanksgiving Dinner Recipes Classic Enough to Please Every Table
Brown sugar roasted parsnips are one of those sides I started making because I ran out of room on the stovetop and needed something that could just go in the oven and be done with it. Parsnips are cheap, they keep well in the fridge all week, and they take to high heat better than almost any other root vegetable. Tossed with olive oil, brown sugar, and fresh rosemary, they come out of the oven with caramelized edges and a tender center that tastes way more involved than it actually is.
The active work here is about 10 minutes, mostly peeling and cutting. After that the oven does everything. The one thing I learned the hard way: cut the thicker top sections lengthwise so every spear is close to the same width. The first time I skipped that step, half the pan was mushy before the rest even started to brown.
This works as a Thanksgiving side, but honestly it shows up at our table on regular Tuesday nights too. It fits on one sheet pan, it does not need babysitting, and the apple cider vinegar you drizzle on at the end keeps the whole thing from tasting cloying.
Why you will love this
- Total time is 35 minutes and you are only actively involved for about 10 of them, plus a single flip at the 15-minute mark.
- High heat at 425°F does the caramelizing work, so you get golden, slightly sticky edges without any extra steps.
- One sheet pan means one thing to wash, and the stovetop stays free for everything else.
- The apple cider vinegar at the end balances the brown sugar so the finished dish tastes savory as much as sweet.
- Naturally vegan and gluten-free without any substitutions, which matters when you are feeding a mixed table.
Tips for success
- Cut the thick top section of each parsnip lengthwise into halves or quarters so all your spears land around 1/2 inch wide. Uneven pieces mean some are overcooked before others are tender.
- Do not crowd the pan. Parsnips touching each other trap steam and turn soft instead of caramelizing. Use a large rimmed sheet pan or split between two pans if needed.
- Scrape every bit of the brown sugar and oil mixture from the bowl onto the pan with a spatula. That coating is where the caramelization comes from, and leaving it behind in the bowl is a waste.
- Add the apple cider vinegar right when the pan comes out of the oven, while everything is still hot. It lifts the sticky bits from the pan and keeps the sweetness in check. Skipping it makes the finished dish taste flat.
What to serve alongside these
- These pair well with roast chicken or turkey because the rosemary echoes savory herb seasoning without competing.
- They work next to something creamy, like mashed potatoes or a simple white bean puree, to balance the caramelized edges.
- For a weeknight plate, I serve them with a pork tenderloin or simple baked salmon. The sweet-savory flavor works with both.
- If you are building a Thanksgiving spread, these can go on the oven rack below a roasting bird during the last 25 minutes of the bird’s resting time.
Substitutions
Carrots or turnips swap in for parsnips in equal amounts and roast at the same temperature and time. Carrots will be a little sweeter, turnips a little more bitter, but both work. Maple syrup can replace the brown sugar, though it caramelizes faster, so start checking the pan at 18 minutes. If you only have dried rosemary, use half the amount and rub it between your palms before adding it to wake up the flavor.
The garlic powder is listed as optional but I usually include it. It adds a savory layer that keeps the dish from leaning too sweet. If someone at your table avoids garlic, it is easy to leave out without changing anything else about the recipe.
Make-ahead and storage
You can peel and cut the parsnips into spears up to 24 hours ahead. Store them submerged in cold water in the refrigerator, then drain and pat them completely dry before tossing with the oil and sugar mixture. Wet parsnips will steam instead of roast, so take a minute to dry them well.
Leftovers keep in an airtight container in the refrigerator for up to 3 days. Reheat on a bare baking sheet at 400°F for 8 to 10 minutes. The microwave makes them soft and a little waterlogged, so the oven is worth the extra few minutes. These do not freeze well after roasting, the texture turns mushy when thawed.
Brown Sugar Roasted Parsnips with Rosemary
Ingredients
Equipment
Method
- Preheat your oven to 425 degrees F. Line a large rimmed baking sheet with parchment paper or foil. You want a hot oven here because that high temperature is what creates the caramelized edges. A lower temperature will just steam the parsnips soft.
- Peel the parsnips and cut off the narrow root tip and the thick top end. Halve or quarter the thicker top sections lengthwise so that all your spears are roughly the same thickness, about 1/2 inch wide. Even sizing is the key to even roasting. Spread them in a single layer on the prepared pan, making sure they are not touching each other. Crowded parsnips steam and turn soft instead of caramelizing.
- In a large bowl, whisk together the olive oil, brown sugar, rosemary, salt, pepper, and garlic powder if using. Add the parsnip spears and toss well until every piece is coated. Pour them back onto the sheet pan in a single layer. Scrape any sugar and herb mixture left in the bowl onto the parsnips with a spatula.
- Roast on the center rack for 20 to 25 minutes, flipping the spears once at the 15-minute mark. They are done when the cut edges are deeply golden brown and slightly caramelized, and a fork slides through the thickest piece without resistance. The tips may darken more than the centers, which is fine and gives good flavor.
- Remove from the oven and drizzle the apple cider vinegar over the hot parsnips. Toss gently on the pan. The vinegar cuts through the sweetness and lifts the sticky caramelized bits. Taste and add a pinch more salt if needed. Transfer to a serving platter and serve immediately.
Notes
← Back to 24 Thanksgiving Dinner Recipes Classic Enough to Please Every Table