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Crispy oven roasted corned beef and cabbage with carrots and potatoes on a baking sheet.

Crispy Oven Roasted Corned Beef and Cabbage

This recipe transforms the classic boiled dinner into a spectacular one-pan roast. High-heat cooking creates a shatteringly crisp, caramelized crust on the corned beef while the cabbage, potatoes, and carrots roast to sweet, tender perfection in the spiced drippings. It's a celebration of bold, roasted flavors and unbeatable textures.
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Prep Time 20 minutes
Cook Time 3 hours 5 minutes
Total Time 3 hours 25 minutes
Servings: 6
Course: Main Course
Cuisine: American, Irish-American
Calories: 550
Ingredients Equipment Method Notes

Ingredients
  

  • 1 tablespoon whole black peppercorns
  • 2 bay leaves
  • 1 large head green cabbage, cut into 8 wedges core intact
  • 1.5 pounds baby potatoes Yukon Gold or red bliss
  • 4 large carrots, peeled and cut into 2-inch chunks
  • 2 tablespoons olive oil
  • Salt to taste
  • 2 tablespoons whole-grain mustard
  • 2 tablespoons brown sugar
  • 1 teaspoon freshly cracked black pepper

Equipment

  • Large pot or Dutch oven
  • Large rimmed baking sheet
  • Parchment paper or aluminum foil
  • Cutting board
  • Sharp knife
  • Large mixing bowl
  • Paper towels
  • Small bowl
  • Brush for glazing
  • Tongs or large fork

Method
 

  1. Preheat oven to 375°F (190°C).
  2. Place corned beef in a large pot and cover with cold water by 1 inch. Add the spice packet, peppercorns, and bay leaves.
  3. Bring to a boil, then reduce to a gentle simmer. Cover and cook for 2 to 2.5 hours, until fork-tender.
  4. While beef simmers, line a large rimmed baking sheet with parchment paper or foil.
  5. In a large bowl, toss cabbage wedges, potatoes, and carrots with olive oil and a pinch of salt. Arrange in a single layer on the prepared pan.
  6. Remove the tender corned beef from the pot and place on a cutting board. Discard cooking liquid. Pat the beef completely dry with paper towels.
  7. In a small bowl, mix the whole-grain mustard and brown sugar.
  8. Score the fat cap of the beef in a crosshatch pattern with a sharp knife.
  9. Brush the mustard-sugar glaze generously all over the beef, getting it into the scored grooves.
  10. Nestle the glazed corned beef, fat-side up, in the center of the vegetables on the sheet pan. Sprinkle cracked black pepper over everything.
  11. Roast for 25-35 minutes, until vegetables are tender and charred at the edges and the beef top is deeply browned, crispy, and caramelized.
  12. Remove pan from oven. Transfer beef to a clean cutting board and let rest for 10 minutes.
  13. Give the vegetables a final toss on the pan. Slice the beef thinly against the grain and serve immediately with the roasted vegetables and pan juices.

Notes

For maximum crispiness, pat the boiled brisket completely dry before glazing. Do not overcrowd the pan; use two sheets if needed. Check beef tenderness with a fork after simmering; if resistant, simmer longer. Always slice against the grain for tender meat. Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in a 350°F oven to maintain crispness. For variations, try a stout-honey glaze, an herb crust, or adding other root vegetables like parsnips or turnips.