I love bringing a tray of roasted autumn vegetables to the Thanksgiving table because the colors feel festive and the edges turn beautifully golden in the oven. A quick balsamic glaze adds a sweet, tangy finish, and most of the prep can be done before guests arrive.
Why You’ll Love This Side Dish
This side dish balances tender vegetables with lightly crisp edges and a glossy, tangy-sweet glaze. It uses easy-to-find fall produce, needs just a few minutes of hands-on prep, and fits right in beside classic Thanksgiving favorites. You can also prep and chop the vegetables ahead to make the holiday meal a little easier.
This Side Dish Ingredients & Substitutions
- 1 small butternut squash, peeled, seeded, and cut into 1-inch cubes, about 4 cups
- 1 pound Brussels sprouts, trimmed and halved
- 3 medium carrots, peeled and cut into 1-inch pieces
- 1 medium red onion, cut into wedges
- 3 tablespoons olive oil
- 1 teaspoon kosher salt
- 1/2 teaspoon black pepper
- 1/2 teaspoon dried thyme
- 1/3 cup balsamic vinegar
- 1 tablespoon maple syrup
- 1 teaspoon Dijon mustard
- 1 tablespoon chopped fresh parsley, optional, for serving
For a little extra sweetness, swap the squash for sweet potato. If you prefer a sharper glaze, use less maple syrup. Fresh thyme works well in place of dried thyme, use about 1 teaspoon of leaves.
Step-by-Step Instructions to Make This Side Dish
1. Heat the oven and prepare the vegetables
Heat the oven to 425°F. Line two large rimmed baking sheets with parchment paper. Cut the vegetables into similar-sized pieces so they cook evenly.
2. Season and arrange
Divide the squash, Brussels sprouts, carrots, and red onion between the baking sheets. Toss with olive oil, salt, pepper, and thyme, then spread into a single layer with a little space between the pieces.
3. Roast until tender and golden
Roast for 25 to 35 minutes, stirring once and rotating the pans halfway through. The vegetables are ready when they are fork-tender and browned around the edges. If one pan browns more quickly, take it out first.
4. Make the balsamic glaze
While the vegetables roast, combine the balsamic vinegar, maple syrup, and Dijon mustard in a small saucepan. Bring to a gentle simmer over medium-low heat and cook for 5 to 8 minutes, stirring occasionally, until slightly thickened. It will continue to thicken as it cools, so take it off the heat while it is still pourable.
5. Finish and serve
Transfer the hot vegetables to a serving platter and drizzle with some of the glaze. Add more to taste and finish with parsley, if you like. Serve the remaining glaze at the table.
Tips for Success
- Give the vegetables room on the baking sheets. Crowding can trap steam and keep them from browning.
- Cut the carrots and squash into similar-sized pieces, and halve larger Brussels sprouts so everything cooks at a similar pace.
- Use two pans rather than piling everything onto one. For the best browning, spread the vegetables in a single layer.
- Keep an eye on the glaze as it simmers. It can go from syrupy to too thick quickly, and it firms up more as it cools.
- For a make-ahead shortcut, wash and cut the vegetables a day in advance, then store them covered in the refrigerator.
Variations of This Side Dish
- Add apples: Toss in 1 or 2 firm apples cut into wedges during the last 15 minutes of roasting.
- Bring in more herbs: Add chopped rosemary or sage along with the thyme for a cozy fall flavor.
- Add crunch: Sprinkle toasted pecans or pumpkin seeds over the vegetables just before serving.
- Make it extra tangy: Add a little orange zest to the finished glaze for a bright citrus note.
- Choose your vegetables: Cauliflower, parsnips, or sweet potato can replace some of the squash or carrots. Keep the pieces close in size and check them for doneness as they roast.
Serving Suggestions: What to Pair with This Side Dish
Serve these vegetables alongside roast chicken, turkey, or a hearty lentil main. They also make a colorful addition to a Thanksgiving spread with mashed potatoes, green beans, and warm dinner rolls. For a simple lunch the next day, pile leftovers over cooked grains and add a spoonful of the extra glaze.
Storage & Reheating Instructions
Store leftover vegetables in an airtight container in the refrigerator for up to 4 days. Keep any extra glaze in a separate covered container. Reheat the vegetables on a baking sheet at 375°F for about 10 to 15 minutes, or warm them in a skillet over medium heat until hot. A microwave works too, though the vegetables will be softer. Add the glaze after reheating for the freshest flavor.
Memories Made Around the Table
I like setting this platter near the center of the table, where everyone can reach for a mix of squash, sprouts, and carrots. The balsamic glaze catches the light, and the warm, savory smell of roasted vegetables always makes the kitchen feel welcoming. It is an easy dish to share, and I often find myself making it again once the first crisp days of fall arrive.
FAQs
Can I make roasted autumn vegetables ahead of time?
Yes. You can cut the vegetables a day ahead and refrigerate them in a covered container. For the best texture, roast them shortly before serving. You can also roast them ahead and reheat on a baking sheet at 375°F until warmed through.
Can I use frozen vegetables?
Fresh vegetables give the best roasted texture. Frozen vegetables can release extra moisture, so thaw and pat them very dry first, then roast in a single layer and expect a softer result.
How do I keep the vegetables from getting soggy?
Use large baking sheets, spread the vegetables in a single layer, and avoid adding the glaze until after roasting. If your pans look crowded, roast in batches.
Can I make the balsamic glaze without maple syrup?
Yes. You can leave it out for a sharper glaze, or use honey instead. Simmer gently and remove the glaze from the heat once it lightly coats a spoon.
Final Thoughts
Roasted autumn vegetables are an easy, colorful side for Thanksgiving and other fall dinners. Roast them until golden, finish with a little balsamic glaze, and bring the platter to the table while it is still warm.
Roasted Autumn Vegetables
Equipment
- 2 Large rimmed baking sheets
- 1 Small saucepan
- 1 Parchment Paper
Ingredients
- 1 small butternut squash peeled, seeded, and cut into 1-inch cubes; about 4 cups
- 1 pound Brussels sprouts trimmed and halved
- 3 medium carrots peeled and cut into 1-inch pieces
- 1 medium red onion cut into wedges
- 3 tablespoons olive oil
- 1 teaspoon kosher salt
- 0.5 teaspoon black pepper
- 0.5 teaspoon dried thyme
- 0.3333 cup balsamic vinegar
- 1 tablespoon maple syrup
- 1 teaspoon Dijon mustard
- 1 tablespoon fresh parsley chopped; optional, for serving
Instructions
- Heat the oven to 425°F. Line two large rimmed baking sheets with parchment paper. Cut the vegetables into similar-sized pieces so they cook evenly.
- Divide the squash, Brussels sprouts, carrots, and red onion between the baking sheets. Toss with olive oil, salt, pepper, and thyme, then spread into a single layer with a little space between the pieces.
- Roast for 25 to 35 minutes, stirring once and rotating the pans halfway through. The vegetables are ready when they are fork-tender and browned around the edges. If one pan browns more quickly, take it out first.
- While the vegetables roast, combine the balsamic vinegar, maple syrup, and Dijon mustard in a small saucepan. Bring to a gentle simmer over medium-low heat and cook for 5 to 8 minutes, stirring occasionally, until slightly thickened. It will continue to thicken as it cools, so take it off the heat while it is still pourable.
- Transfer the hot vegetables to a serving platter and drizzle with some of the glaze. Add more to taste and finish with parsley, if you like. Serve the remaining glaze at the table.