This oven-roasted corned beef and cabbage dish is warm and comforting. The beef gets nice and tender, while the cabbage becomes soft and packed with flavor. It’s a classic favorite!
Making this meal feels like a hug on a plate. I love the way the house smells while it cooks! Plus, serving it with mustard is a must—makes it even better! 😋
Key Ingredients & Substitutions
Corned Beef Brisket: This is the star of the dish. Look for a brisket with a spice packet included for the best flavor. If you want a leaner option, try a trimmed brisket. Alternatively, using pastrami can give a different taste while still being delicious.
Potatoes: Baby potatoes are great for roasting because they cook evenly and keep their shape. However, you can use Yukon Gold or red potatoes. If you’re looking for a lower-carb option, try cauliflower florets instead.
Carrots: Standard carrots work well here, but baby carrots are also convenient and don’t require peeling. If you want a touch of sweetness, consider substituting with parsnips.
Cabbage: Traditional green cabbage is perfect, but Savoy or Napa cabbage can add unique flavor and texture. If you prefer something lighter, bok choy is a nice alternative.
Onion: Red onion adds sweetness, but you can use yellow or white onion if you have them on hand. For a milder flavor, shallots are a lovely option.
How Do I Ensure My Corned Beef Is Tender?
Cooking corned beef perfectly takes a bit of time but it’s worth it. The idea is to slow-roast it for tenderness. Here’s how to get it just right:
- **Rinse the brisket**: This removes excess salt and ensures it’s not too salty.
- **Low and slow**: Roast at 350°F for 2 ½ to 3 hours—this slow cooking helps break down the tough fibers.
- **Baste halfway**: Don’t forget to baste with the juices. This keeps the meat moist and flavorful.
- **Rest before slicing**: Letting it rest for 10 minutes helps the juices redistribute. Always slice against the grain for tender pieces.

How to Make Oven Roasted Corned Beef and Cabbage
Ingredients You’ll Need:
For the Main Dish:
- 3 to 4 lbs corned beef brisket, with spice packet
- 1 lb baby potatoes, washed
- 4-5 medium carrots, peeled
- 1 small head of cabbage, quartered
- 1 large red onion, peeled and quartered
- 4-5 cloves garlic, peeled and smashed
For the Seasoning and Garnish:
- 2 tbsp olive oil
- 1 tbsp Dijon mustard
- 1 tbsp brown sugar
- 1 tsp black pepper
- Fresh parsley, chopped for garnish
- Fresh thyme sprigs (optional)
- Salt to taste
How Much Time Will You Need?
This hearty dish takes approximately 15 minutes to prepare and about 2 ½ to 3 hours to roast in the oven. With simple steps and delicious results, you’ll have a wonderful meal ready to enjoy!
Step-by-Step Instructions:
1. Preheat the Oven:
Begin by preheating your oven to 350°F (175°C). This will ensure it’s hot and ready for your corned beef.
2. Prepare the Corned Beef:
Rinse the corned beef brisket under cold water to get rid of any excess salt. Pat it dry with paper towels to make sure it’s not too wet.
3. Make the Mustard Glaze:
In a small bowl, mix together the Dijon mustard, brown sugar, olive oil, and black pepper. This flavorful glaze will add a delicious touch to your beef!
4. Assemble the Dish:
Place the corned beef in a roasting pan. Brush the mustard glaze evenly over the brisket, making sure it’s well-coated.
5. Add the Vegetables:
Now, arrange the baby potatoes, peeled carrots, quartered onion, smashed garlic cloves, and cabbage around the brisket in the roasting pan. These will cook beautifully alongside the beef.
6. Season the Vegetables:
Drizzle a bit of olive oil over the vegetables and sprinkle with salt and pepper. If you’re using fresh thyme, add a few sprigs for extra flavor.
7. Cover and Roast:
Cover the roasting pan tightly with aluminum foil. This helps keep the moisture in so your corned beef will stay tender. Place the pan in the oven and roast for about 2 ½ to 3 hours, or until the beef is tender. Remember to baste the beef with its own juices halfway through cooking—this enhances the flavor!
8. Final Roasting:
After the initial roasting time, carefully remove the foil. Roast uncovered for an additional 15-20 minutes. This step allows the glaze to caramelize and adds a lovely color.
9. Let It Rest:
When done, take the pan out of the oven and let the corned beef rest for about 10 minutes before slicing. This helps keep your slices juicy and tender!
10. Serve & Enjoy:
Slice the corned beef against the grain and garnish it with fresh parsley. Serve your delicious slices alongside the roasted vegetables and cabbage for a hearty meal that everyone will love!
This recipe yields a wonderfully tender and flavorful corned beef served with delightful roasted vegetables, perfect for any dinner table!
Can I Use a Different Cut of Meat?
Yes! While corned beef brisket is traditional, you can also use a point cut for more marbling and flavor, or even a bottom round for a leaner option. Just keep in mind that cooking times may vary depending on the cut.
What If I Don’t Have Baby Potatoes?
No problem! You can substitute them with any small potatoes like red or Yukon Gold potatoes. Just cut larger potatoes into quarters so they cook evenly with the other vegetables.
Can I Add Other Vegetables?
Absolutely! Feel free to add vegetables like rutabagas, turnips, or parsnips for extra flavor. Just be sure to cut them into similar sizes for uniform cooking.
How Should I Store Leftovers?
Store any leftovers in an airtight container in the fridge for up to 3 days. You can reheat it gently in the microwave or on the stove, adding a splash of broth or water to keep it moist.



