Sheet Pan Oven Baked Bratwurst with Vegetables

You'll love this easy Autumn harvest meal! Oven Baked Bratwurst Sausages, sweet potatoes, Brussels sprouts, and tasty onions baked on one pan then coated in a maple-mustard glaze. Everything gets golden, nothing gets dried out, and cleanup is a snap! 

This recipe is perfect for this time of year, as all the wonderful produce from the Fall harvest are so available. It's a quick and easy dinner idea and clean up is a snap! Making it a good choice for a weeknight meal. 

Sheet Pan Oven Baked Bratwurst with Vegetables is the baking sheet version of a fall farmers market haul meeting game day comfort food. Sweet potatoes get tender and sweet, Brussels sprouts crisp up at the edges, and the bratwurst sausage comes out juicy with a snappy casing just like it's meant to. Adding a glaze is what makes it feel less like a dump-and-bake and more like something you'd order at your favorite restaurant.

I've been experimenting with sheet pan dinners for a few months now and this one just hit it out of the park for us. I think you'll agree, it checks all the boxes in just about every way. 

Why This Recipe Works

The secret to juicy brats and properly cooked vegetables on the same pan is staggered timing. You might be tempted to throw everything in at once. Unfortunately you can end up with either dried-out sausages or crunchy, undercooked potatoes.

To prevent this the secret is to roast the vegetables first for 10 minutes to give them a head start. Sweet potatoes and Brussels sprouts are dense and need time to soften and caramelize. Once they get a head start, you nestle the uncooked bratwurst right into the hot vegetables and let everything finish together. The sausages release their fat as they cook, which bastes the vegetables while they're roasting. You end up with vegetables that taste like they've been cooked in butter and sausages that stay juicy because they're not overbaking.

The other key is cooking at a high temperature, 425 degrees F. This creates browning and caramelization on both the vegetables and the sausage casings without drying anything out. Lower heat would steam everything instead of roasting it, and you'd lose that deeply savory, slightly charred flavor.

Finally, the maple-mustard glaze goes on after everything comes out of the oven, not before. If you add it earlier, the sugars burn and turn bitter. Tossing it with the hot vegetables and sausages at the end lets the glaze cling and coat without scorching, adding a sweet-tangy finish that ties everything together.

Equipment You'll Need

You only need a handful of tools to pull this off, and most of them you already own.

• Large sheet pan: A full-size 18x13-inch baking sheet gives you enough room to spread everything in a single layer. If the vegetables are crowded, they'll steam instead of roast. A quarter sheet pan is too small unless you're halving the recipe.
• Aluminum foil: Lining the pan makes cleanup almost nonexistent. You can use parchment paper instead, but foil handles the high temperature better and won't burn at the edges.
• Meat thermometer: The best way to know your sausages are done without cutting into them. You're looking for an internal temperature of 160 degrees F. Instant-read thermometers are cheap and save you from guessing if your food is safe to eat or not.
• Large mixing bowl: For tossing the vegetables with olive oil, salt, and pepper before they hit the pan. A medium bowl works if you toss in batches.
• Small bowl or measuring cup: To whisk together the glaze ingredients. A one-cup glass measuring cup with a spout makes it easier to pour over the hot pan.

Ingredients & What They Do

Uncooked bratwurst sausages: Look for raw brats, not precooked. Johnsonville brand is widely available and consistently good, but any fresh bratwurst from the meat counter works. Raw sausages have more flavor and a better snap than precooked ones, which can turn rubbery when reheated. If you can only find beer brats or a different sausage variety, the oven method still works perfectly.

Sweet potatoes (4 cups, diced): These add natural sweetness and a creamy texture once roasted. Peel them first, sweet potato skins can be tough and bitter when roasted at high heat. Cut them into roughly 1-inch cubes so they cook evenly. If your cubes are too small, they'll turn mushy. Too large, and they'll still be hard when everything else is done.

Brussels sprouts (2 cups, halved): Fresh Brussels sprouts crisp up beautifully and develop a nutty, caramelized flavor. Frozen ones release too much water and won't brown properly. Cut them in half through the stem so the flat side can make contact with the pan and get golden.

Red onion (half a large onion, large diced): Adds a sharp, slightly sweet bite that mellows as it roasts. Red onion looks better than yellow onion on the plate, but yellow works if that's what you have. Cut it into big chunks, small dice will burn before the rest of the vegetables are done.

Olive oil (2 tablespoons): Coats the vegetables so they roast instead of steam. It also helps the seasonings stick. You can swap in avocado oil or canola oil if you prefer, but don't skip the fat entirely or everything will dry out and stick to the pan.

Kosher salt (1 teaspoon) and black pepper (1/4 teaspoon): Basic seasoning that brings out the natural flavors in the vegetables. Kosher salt has larger grains and is easier to control than table salt. If you're using table salt, cut the amount a little or it might taste too salty.

Dijon mustard (1 teaspoon): Adds sharpness and a slight tang that balances the sweetness of the maple syrup. Yellow mustard is too mild here, whole-grain mustard works if you want more texture in the glaze.

Pure maple syrup (2 tablespoons): This is the sweet backbone of the glaze. Use real maple syrup, not pancake syrup, which is mostly corn syrup and doesn't have the same depth of flavor.

Apple cider vinegar (1 tablespoon): Cuts through the richness of the sausage fat and balances the sweetness of the maple syrup. White wine vinegar or red wine vinegar can substitute, but cider vinegar has a fruity note that works better with fall vegetables.

Fresh parsley (optional garnish): Adds a pop of color and a fresh, slightly peppery finish. It's not essential, but it makes the dish look more polished. If you skip it, no one will miss it.

How to make Oven Baked Bratwurst with Vegetables step-by-step

This is a straightforward process with no tricky techniques or perfect timing required. Just follow the steps in order and you'll end up with a delicious meal that looks like you put in way more effort than you actually did.

1. Preheat your oven to 425 degrees F. Line a large baking sheet with aluminum foil and spray it lightly with cooking spray. The foil makes cleanup easier, and the spray keeps everything from sticking without adding extra fat.

2. Prep your vegetables. In a large bowl, toss together the diced sweet potatoes, halved Brussels sprouts, diced red onion, olive oil, kosher salt, and black pepper. Make sure everything is evenly coated. The olive oil should glisten on the vegetables but not pool at the bottom of the bowl.

3. Spread the vegetables on the prepared sheet pan in a single layer. Don't pile them up or they'll steam instead of roast. If your pan is crowded, use two pans or roast in batches. Crowded vegetables equal soggy vegetables.

4. Roast the vegetables for 10 minutes. This head start is important. The vegetables need time to begin softening and caramelizing before the sausages join them. Don't skip this step or your sweet potatoes might be hard when the sausages are done.

5. Remove the pan from the oven and nestle the uncooked bratwurst sausages among the vegetables. Space them out evenly so they're surrounded by vegetables. The sausages will release fat as they cook, which will flavor the vegetables around them.

6. Return the pan to the oven and bake for another 10 minutes. After 10 minutes, flip each sausage over so both sides get evenly browned. This also helps them cook evenly and prevents one side from getting too dark.

7. Continue baking for another 5 to 10 minutes. Check the internal temperature of the sausages with a meat thermometer. You're looking for 160 degrees F in the center of the thickest sausage. The vegetables should be tender and caramelized at the edges. Total cooking time from when you first put the vegetables in is about 25 to 30 minutes.

8. While the pan finishes cooking, whisk together the glaze. In a small bowl or measuring cup, combine the Dijon mustard, pure maple syrup, and apple cider vinegar. Whisk until smooth. The glaze will be thin, that's correct.

9. As soon as the pan comes out of the oven, pour the glaze over the hot sausages and vegetables. The heat from the pan will help the glaze cling and coat everything.

10. Transfer the sausages to a serving platter, then gently toss the vegetables and add them to the platter. Or skip the platter and serve everything straight from the sheet pan for an even easier cleanup. Garnish with fresh chopped parsley if you're using it.

11. Let everything sit for a couple of minutes before serving. The sausages will be extremely hot inside, and a short rest helps the juices redistribute so they don't all run out when you cut into them.

Tips for Success

Here's what separates a good sheet pan supper from a great one.

Don't skip the flip. Flipping the sausages halfway through ensures even browning and prevents one side from getting too dark or drying out. It takes 10 seconds and makes a noticeable difference in how the sausages look and taste.

Check the internal temperature, not the clock. Oven temperatures vary, and sausages come in different thicknesses. A meat thermometer is the only way to know for sure that your brats are fully cooked without being overdone. Insert it into the center of the thickest sausage, avoiding the edges where it might read hotter than the middle.

Cut your vegetables the same size. This isn't just for looks. Uniform pieces cook at the same rate, so nothing ends up raw or burnt. If your sweet potato cubes vary wildly in size, the small ones will be mush by the time the big ones are tender.

Toss the glaze on hot, not cold. The glaze needs the heat from the pan to caramelize slightly and cling to the vegetables and sausages. If you let everything cool first, the glaze will just pool at the bottom of the pan and taste like a wet sauce instead of a sticky coating.

Use the sausage fat. As the bratwurst cooks, it releases flavorful fat onto the pan. That fat coats the vegetables and adds richness you can't get from olive oil alone. Don't blot it off or drain it, let it do its job.

Adjust the spice level. If you like heat, add a pinch of red pepper flakes to the vegetables before roasting or stir a dash of hot sauce into the glaze. Bratwurst is mild on its own, so it can handle a little kick.

This is also a great method for other sausages. Italian sausage, kielbasa, or chicken sausage all work with the same cooking time and technique, just adjust your vegetable and seasoning choices to match the flavor profile.

Storage Tips

Leftovers keep well and reheat better than most sheet pan dinners.

Store cooked brats and vegetables together in an airtight container in the refrigerator for up to four days. The glaze will thicken as it cools, but it'll loosen up again when you reheat everything.

To reheat: Spread the leftovers on a baking sheet and warm in a 350-degree F oven for about 10 minutes, or until heated through. This keeps the sausages juicy and re-crisps the vegetables. You can also reheat individual portions in the microwave for a couple of minutes, but the vegetables won't be as crispy.

Freezing: Bratwurst and roasted vegetables freeze surprisingly well. Let everything cool completely, then transfer to a freezer-safe airtight container or heavy-duty freezer bag. Freeze for up to three months. Thaw overnight in the fridge, then reheat in the oven as directed above. The texture of the sweet potatoes will soften slightly after freezing, but the flavor stays intact.

This is the kind of recipe that gets better the more you make it because you start to see how flexible it is. Swap the Brussels sprouts for broccoli or cauliflower. Use butternut squash instead of sweet potatoes. Add apples in the last 10 minutes for a sweet-tart contrast. The oven method stays the same, and the results stay consistently good.

It's a great option for busy nights, game day spreads, or any time of year when you want a delicious meal without a pile of dishes. One pan, best results, and leftovers that actually taste good the next day!

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If you love cozy Fall recipes you might want to check out these kitchen favorites too!

Crockpot Gingered Applesauce

Zucchini and Carrot Fritters

Easy One Pot Cabbage and Sausage Soup

main course, pork, sausage, bratwurst, sheet pan dinners

American

Yield: 4

Author: Renee Paj

Sheet Pan Oven Baked Bratwurst with Vegetables

Prep time: 10 MinCook time: 30 MinTotal time: 40 Min

Sheet Pan Oven Baked Bratwurst with Vegetables is on your table in about 30 minutes, featuring savory sausage, sweet potatoes, and Brussels sprouts tossed in a sweet maple-mustard glaze with easy clean-up!

Ingredients

• 1 package of 5 - 6 uncooked bratwurst sausages, such as Johnsonville brand
• 4 cups sweet potatoes, peeled and diced into approximately 1" cubes
• 2 cups fresh Brussels sprouts, cut in half
• 1/2 large red onion, large diced
• 2 TBSP. olive oil
• 1 tsp. kosher salt
• 1/4 tsp. fresh ground black pepper
• 1 tsp. Dijon mustard
• 2 TBSP. pure maple syrup
• 1 TBSP. apple cider vinegar
• fresh chopped parsley, for garnish, if desired

Instructions

1. Preheat oven to 425 degrees F. Line large sheet pan with foil (for easy cleanup later) and spray lightly with cooking spray, such as Pam brand.
2. In a large bowl, combine the sweet potatoes, Brussels Sprouts, red onion, olive oil, and salt and pepper. Stir to coat.
3. Pour onto prepared sheet pan and arrange in single layer. Bake in preheated oven for 10 minutes. Remove sheet pan from oven.
4. Add the uncooked bratwurst sausages, arranging them amongst the partially cooked vegetables.
5. Return sheet pan to oven and continue to cook at 425 degrees F for another 10 minutes. Flip the sausages over once. Cook for another 5 - 10 minutes, or until the internal temperature of the bratwurst sausages reach 160 degrees F. (Total cook time of 25 - 30 minutes from the start to finish.)
6. In a small bowl or one cup glass measuring cup, whisk together the Dijon mustard, pure maple syrup, and apple cider vinegar. Pour mixture over the hot vegetables and sausages on the sheet pan as soon as they come out of the oven.
7. Remove sausages to platter. Gently toss the sauce into the vegetables and remove to platter with sausages for serving. Garnish with fresh chopped parsley, if desired. (Or leave everything on the sheet pan and serve right from there!)

Nutrition Facts

Calories

605

Fat (grams)

40 g

Sat. Fat (grams)

12 g

Carbs (grams)

42 g

Fiber (grams)

6 g

Net carbs

36 g

Sugar (grams)

13 g

Protein (grams)

19 g

Sodium (milligrams)

1633 mg

Cholesterol (grams)

83 mg

Nutritional Information provided is an estimate.

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