Roasted Brussels Sprouts and Apples - An Easy Autumn Side Dish

Roasted Brussels sprouts and apples make a delicious autumn side dish, combining tender, slightly caramelized Brussels sprouts with tart Granny Smith apples and sweet roasted onions.

This simple oven-roasted vegetable recipe is a wonderful way to enjoy seasonal produce. With just five ingredients, it's easy enough for a weeknight dinner but special enough to serve at Thanksgiving or Christmas.

In Ireland, Brussels sprouts are a much-loved winter vegetable, especially when Christmas dinner rolls around. And while the traditional Irish way of preparing sprouts usually involves boiling or steaming them, roasting brings out their natural sweetness and gives them a lovely, slightly crispy finish.

Add a few slices of tart apple and some sweet onion, and you've got a colorful side dish that's both delicious and wonderfully easy to prepare.

Table of Contents

Brussels Sprouts In Ireland

Brussels sprouts have long been a familiar sight on Irish dinner tables, particularly during the colder months of the year.

These little green vegetables grow well in Ireland's cool, temperate climate and are cultivated by Irish vegetable growers throughout the country.

They're members of the cabbage family, and if there's one thing we Irish know how to grow, it's cabbage!

Brussels sprouts are especially popular at Christmas, when they traditionally accompany roast turkey, ham, stuffing, and all the trimmings.

In many Irish households, Christmas dinner simply wouldn't be complete without a generous helping of Brussels sprouts.

Of course, not everyone loves them. I think nearly every Irish family has at least one person who turns up their nose at the sight of sprouts on their Christmas dinner plate.

But I believe the secret to enjoying Brussels sprouts is all in how you cook them.

Gone are the days when these little vegetables need to be boiled until they're soft and mushy. Roasting gives them a completely different flavor and texture.

And that's where this lovely recipe comes in.

Why You'll Love These Roasted Brussels Sprouts and Apples

There are so many reasons to add this simple vegetable dish to your autumn and winter menu.

Just five ingredients: Brussels sprouts, apples, onions, olive oil, and seasoning are all you need.

Quick and easy: A little chopping and about 30 minutes in the oven are all that's required.

Naturally sweet and savory: The apples and onions balance the slightly earthy flavor of the sprouts.

A colorful side dish: The combination of green sprouts, golden apples, and roasted onions looks lovely on a holiday dinner table.

Perfect for Thanksgiving or Christmas: This recipe pairs beautifully with roast turkey, baked ham, pork, or chicken.

Naturally gluten-free and vegan: It's a versatile side dish that suits many different dietary preferences.

Best of all, roasting Brussels sprouts is a wonderful way to introduce these nutritious little vegetables to anyone who claims not to like them.

Ingredients for Roasted Brussels Sprouts with Apples and Onions

You don't need any fancy ingredients for this recipe. Just a handful of fresh vegetables and pantry staples.

Brussels Sprouts: Fresh Brussels sprouts are the star of this dish. Choose firm, bright green sprouts with tightly packed leaves. Avoid any that are yellowing or have soft spots. Trim the tough stem ends and remove any damaged outer leaves before cutting the sprouts in half. If some of your sprouts are particularly large, you can cut them into quarters so that everything cooks evenly.

Granny Smith Apples: I love using Granny Smith apples for this recipe because their tart flavor provides a lovely contrast to the sweetness of the roasted onions.They also tend to hold their shape reasonably well during a short roasting time. There's no need to peel the apples. Their green skins add a little extra color to the finished dish. Simply remove the cores and slice the apples into wedges. If you prefer a sweeter flavor, you could experiment with Honeycrisp or Pink Lady apples, although the finished dish will taste slightly different.

Bramley Cooking Apples in Ireland: Back home in Ireland, Bramley cooking apples would be a natural choice for a recipe like this. These large, tart green apples have been a favorite in Irish kitchens for generations, especially for making apple tarts, crumbles, and other traditional dishes. However, Bramley apples can be difficult to find in American grocery stores, so I've chosen Granny Smith apples as a readily available substitute. They have a similar tart flavor that complements the earthy Brussels sprouts and sweet roasted onions beautifully. One difference worth mentioning is that Bramley apples tend to break down and become soft and fluffy when cooked, while Granny Smith apples hold their shape a little better during roasting. Either variety works wonderfully in this recipe, bringing a lovely touch of autumn sweetness to the finished dish.

Sweet Onion: A sweet onion adds a delicious mellow flavor to the roasted vegetables. As the onion cooks, its natural sugars begin to caramelize, creating a lovely sweetness that complements the tart apples and earthy Brussels sprouts. Slice the onion into fairly even pieces so that it cooks at the same rate as the other ingredients.

Olive Oil: A little olive oil helps the vegetables roast evenly and encourages those lovely golden edges. It also prevents the sprouts from drying out during cooking.

Salt and Black Pepper: Simple seasoning is all this dish really needs. A little salt enhances the natural flavors of the vegetables, while freshly ground black pepper adds just a hint of warmth.

How to Make Roasted Brussels Sprouts and Apples

One of my favorite things about this recipe is how little effort it takes.

There's no complicated preparation or special cooking equipment required. Just a baking sheet, a sharp knife, and a hot oven.

Step 1: Preheat the Oven

Preheat your oven to 425°F (220°C).

Line a large, rimmed baking sheet with aluminum foil and lightly coat it with nonstick cooking spray.

The foil makes cleanup much easier, which is always a welcome bonus when you're preparing a big family dinner.

Step 2: Prepare the Vegetables and Apples

Wash the Brussels sprouts and trim away the tough stem ends.

Remove any damaged outer leaves before cutting each sprout in half lengthwise.

Core the Granny Smith apples and cut them into evenly sized wedges.

Peel the sweet onion and slice it into strips or thin wedges.

Try to keep everything relatively uniform in size so that the ingredients roast evenly.

Step 3: Season and Toss

Arrange the prepared Brussels sprouts, apple slices, and onions on the baking sheet.

Drizzle with the olive oil and sprinkle with salt and freshly ground black pepper.

Toss everything together until the vegetables and apples are lightly coated with oil and seasoning.

Spread the mixture into a single, even layer.

Be careful not to overcrowd the baking sheet. If the vegetables are piled on top of one another, they'll steam rather than roast.

Step 4: Roast Until Tender

Place the baking sheet in the preheated oven and roast for 25 to 30 minutes.

The Brussels sprouts should become tender with lightly browned edges, while the apples soften and the onions develop a little sweetness.

Cooking time will depend on the size of your sprouts and how tender you prefer them.

If you like your Brussels sprouts a little firmer, check them after 20 minutes.

For softer sprouts with more caramelized edges, they may need a few extra minutes.

Step 5: Serve and Enjoy

Remove the baking sheet from the oven and transfer the roasted Brussels sprouts, apples, and onions to a serving bowl or platter.

Serve immediately while everything is warm and delicious.

The combination of tart apples, sweet onions, and tender Brussels sprouts makes a lovely accompaniment to a traditional roast dinner.

Tips for Perfectly Roasted Brussels Sprouts

Roasting Brussels sprouts is simple, but a few little tricks can make all the difference.

Dry the sprouts thoroughly. After washing, pat them dry with a clean kitchen towel. Excess moisture can cause the vegetables to steam rather than roast.

Cut the sprouts evenly. Halving the sprouts helps them cook more quickly and gives them a lovely flat surface for browning.

Place some sprouts cut-side down. This helps create those delicious golden edges that make roasted Brussels sprouts so appealing.

Use a large baking sheet. Giving the ingredients plenty of space allows the hot air to circulate and encourages browning.

Don't slice the apples too thinly. Slightly thicker wedges hold their shape better in the oven.

Watch the cooking time. Smaller sprouts cook more quickly than large ones, so check for tenderness before removing the pan from the oven.

And remember, Brussels sprouts should be tender, but they don't need to be cooked until they're falling apart.

Why Do Apples Taste So Good with Brussels Sprouts?

You might be wondering why apples work so well with Brussels sprouts.

The answer lies in the balance of flavors.

Brussels sprouts have a slightly earthy, sometimes bitter taste, particularly when they're undercooked or overcooked. Roasting helps bring out their natural sweetness while mellowing some of that bitterness.

Granny Smith apples add a bright, tart contrast, while sweet onions contribute a delicious savory sweetness.

Together, these ingredients create a lovely balance of flavors without needing heavy sauces or complicated seasonings. It's a simple combination that celebrates the best of autumn produce.

What to Serve with Roasted Brussels Sprouts and Apples

This versatile side dish goes well with all sorts of family dinners.

It's particularly delicious served alongside roast pork, since apples and pork are such a classic combination.

Here are a few other serving suggestions:

• Roast turkey with stuffing and gravy
• Baked ham or glazed gammon
• Roast chicken with mashed potatoes
• Pork tenderloin or pork chops
• A traditional Thanksgiving turkey dinner
• Christmas dinner with all the trimmings

For an Irish-inspired meal, try serving these roasted sprouts with roast ham, floury mashed potatoes, and homemade gravy.

The tartness of the apples is particularly good with salty ham.

Variations and Easy Additions

This recipe is delicious just as it is, but there are plenty of ways to change things up.

Add crispy bacon: Sprinkle some cooked, crumbled bacon over the finished dish for a smoky, savory flavor.

Try a little maple syrup: For a sweeter autumn side dish, drizzle a small amount of maple syrup over the vegetables before roasting.

Add toasted pecans or walnuts: A handful of chopped nuts adds a lovely crunch, especially when serving this dish for Thanksgiving.

Finish with balsamic glaze: A light drizzle of balsamic glaze adds a tangy sweetness that complements the roasted vegetables.

Add fresh herbs: A little chopped thyme or rosemary can bring another layer of flavor.

These additions are entirely optional. Sometimes the simplest recipes are the very best.

Frequently Asked Questions

Do I need to boil Brussels sprouts before roasting them?

No, there's no need to boil the sprouts first. Cutting them in half and roasting them in a hot oven is usually enough to make them tender. In fact, boiling them beforehand can introduce extra moisture and make it more difficult to achieve nicely browned edges.

Can I use a different type of apple?

Absolutely! Granny Smith apples are my first choice because their tart flavor balances the sweetness of the roasted onions. However, Honeycrisp, Pink Lady, or Braeburn apples are also good options.Just remember that sweeter varieties will produce a slightly sweeter finished dish.

Do I need to peel the apples?

No, peeling is entirely optional. I prefer to leave the skins on because they add color, texture, and a little extra fiber. The skins also help the apple wedges hold together as they roast.

Can I use frozen Brussels sprouts?

Fresh Brussels sprouts are best for this recipe. Frozen sprouts contain more moisture and tend to become softer when roasted. If you're using frozen sprouts, expect a different texture and allow additional cooking time if needed.

How do I keep roasted Brussels sprouts from becoming soggy?

The most important thing is not to overcrowd your baking sheet. Spread the sprouts, apples, and onions in a single layer, leaving a little space between the pieces. Make sure the sprouts are dry before tossing them with olive oil, and roast them in a fully preheated oven.

Can I make this recipe ahead of time?

You can prepare some of the ingredients in advance. Trim and halve the Brussels sprouts and slice the onion up to a day ahead. Store them separately in airtight containers in the refrigerator. I recommend slicing the apples shortly before cooking to prevent them from turning brown. For the best flavor and texture, roast everything just before serving.

How to Store and Reheat Leftovers

If you happen to have any leftovers, don't throw them away.

Allow the roasted Brussels sprouts and apples to cool slightly before transferring them to an airtight container.

Refrigerate within two hours of cooking and store for up to 3 to 4 days.

How to Reheat

For the best results, reheat leftovers in a preheated oven at 375°F (190°C) until heated all the way through.

Spread the vegetables on a baking sheet rather than piling them into a deep dish.

This helps restore some of their roasted texture.

You can also reheat small portions in a skillet over medium heat with a tiny drizzle of olive oil.

A microwave works too, although the Brussels sprouts will be softer.

Can You Freeze Roasted Brussels Sprouts and Apples?

I don't recommend freezing this particular recipe.

Although cooked Brussels sprouts can be frozen, the apples and onions are likely to become quite soft and watery after thawing.

The finished dish will lose much of its lovely texture.

Since this recipe takes only about 30 minutes from start to finish, it's best enjoyed freshly made.

Recipe Card For Brussels Sprouts and Apples

A Lovely Addition to Your Autumn and Holiday Table

Brussels sprouts may be a traditional Irish Christmas vegetable, but there's no reason to save them for the holidays.

Roasting them with tart apples and sweet onions is a delicious way to enjoy these little green vegetables throughout autumn and winter.

I especially love how this recipe combines familiar Irish ingredients with a slightly different approach to cooking them.

It's simple, colorful, and full of seasonal flavor.

Whether you're planning a Thanksgiving feast in America, preparing Christmas dinner in Ireland, or simply looking for a new vegetable side dish for Sunday lunch, I hope you'll give these roasted Brussels sprouts and apples a try.

And who knows? You might even convince a Brussels sprouts skeptic to give them another chance.

Happy cooking!