Perfectly Tender Crockpot Corned Beef with Cabbage & Potatoes: An Easy Slow Cooker Recipe
Prepare to savor the most incredibly tender and juicy salt-cured brisket you’ve ever tasted! This crockpot corned beef recipe combines succulent beef with hearty baby carrots, potatoes, and tender cabbage, all slow-cooked for 9 hours to achieve culinary perfection. It’s the ultimate comfort food, perfect for St. Patrick’s Day or any day you crave a flavorful, effortless meal.

Why This Slow Cooker Corned Beef Recipe Is a Must-Try
Cooking corned beef in a crockpot is, without a doubt, one of the simplest and most effective ways to achieve a truly memorable meal. While it does require a few easy interventions to add the vegetables at just the right time, the vast majority of the work is done by your slow cooker. This extended cooking process allows the salt-cured brisket to slowly break down, transforming tough fibers into incredibly tender, fall-apart meat that practically melts in your mouth.
Beyond the amazing texture, the slow cooking process ensures that all the flavors – from the savory beef and aromatic spices to the sweet notes of honey and the rich depth of beer – have ample time to meld together. The result is a deeply flavorful, juicy corned beef that’s infused with the essence of its accompanying vegetables. This method truly maximizes flavor with minimal effort, making it ideal for busy weeknights or a festive holiday spread where you want to enjoy the process without being tied to the stove.
Transforming Leftovers into Delicious New Meals
One of the best things about making crockpot corned beef is the incredible versatility of the leftovers. Don’t let a single morsel go to waste! The tender, flavorful beef and perfectly cooked vegetables can be reinvented into a variety of equally delicious dishes:
- **Classic Corned Beef Sandwich:** Slice the leftover corned beef thinly and pile it high on rye bread with your favorite pickles, Swiss cheese, and a dollop of Thousand Island or horseradish sauce. It’s a nostalgic deli favorite that’s even better when homemade. (Get the full recipe here!)
- **Irresistible Reuben Dip:** Transform your corned beef into a creamy, savory party appetizer. This hot, cheesy dip combines chopped corned beef, sauerkraut, Swiss cheese, and a special sauce, baked until bubbly and served with rye bread or crackers. It’s a guaranteed crowd-pleaser! (Find the Reuben Dip recipe.)
- **Hearty Corned Beef Hash:** For a truly satisfying breakfast or brunch, turn your leftovers into a flavorful hash. Dice the corned beef and potatoes, then fry them with onions until crispy. Top with a fried egg for a meal that’s both comforting and satisfying. (Learn how to make Corned Beef Hash.)

Essential Ingredients for Your Crockpot Corned Beef
Gathering the right ingredients is the first step to a successful and delicious corned beef meal. This recipe uses a straightforward list to achieve maximum flavor with minimal fuss.
For all precise measurements and detailed instructions, please refer to the printable recipe card available at the end of this post.

Ingredient Information & Smart Substitution Suggestions
BEEF: When selecting your corned beef brisket, you’ll typically find two main cuts: point cut and flat cut. While both can be used, I highly recommend using a flat cut for this particular crockpot recipe. The flat cut is leaner and has a more uniform shape, which ensures more even cooking and easier slicing once done. The point cut, with its higher fat content, can offer a richer flavor, but its irregular shape can sometimes lead to uneven tenderness. The flat cut provides a perfect balance of tender beef with just enough fat to render down and impart delicious flavor without being overly greasy. Always look for a brisket weighing 3-4 lbs, and ensure it comes with its spice packet, which is crucial for authentic corned beef flavor.
BEER: The Guinness in this recipe isn’t just for a festive touch; it adds a wonderful depth and complexity to the dish, slowly infusing into the brisket as it cooks. Don’t worry, the alcohol cooks off, and there is no discernible beer taste in the finished meal – just a subtle richness. If Guinness isn’t available or you prefer not to use beer, you can easily substitute it with an equal amount of chicken broth or beef broth. Other dark beers or stouts can also work well if you’re experimenting with different flavor profiles.
HONEY: A drizzle of honey helps to balance the savory and salty notes of the corned beef, adding a touch of sweetness that caramelizes slightly during the long cook time. If you don’t have honey on hand, brown sugar is an excellent substitute, providing a similar sweet and molasses-rich flavor.
VEGETABLES: This recipe uses a classic trio of vegetables: onions, baby carrots, and baby potatoes, finished with cabbage.
- Onions: Sliced onions form a flavorful bed for the beef, protecting it from the bottom of the crockpot while adding a sweet, aromatic foundation.
- Baby Carrots & Potatoes: These root vegetables hold up well to slow cooking. Using baby varieties means less chopping, saving you prep time. They absorb the wonderful flavors of the broth and beef as they cook.
- Cabbage: Added towards the end, the cabbage cooks to a tender-crisp texture, perfectly complementing the rich beef. A green head of cabbage, quartered, is ideal.
GARLIC: Whole garlic cloves infuse a gentle, mellow garlic flavor into the cooking liquid and the beef without being overpowering. They become incredibly soft and delicious after hours of slow cooking.
SEASONING PACKET: Your corned beef brisket usually comes with a small spice packet, which typically contains a blend of peppercorns, bay leaves, mustard seeds, and other pickling spices. Do not discard this! It’s essential for the traditional corned beef flavor. Beyond this, a simple sprinkle of salt and pepper to taste will enhance the natural flavors of the vegetables.
Step-by-Step Guide: How to Make Crockpot Corned Beef
These step-by-step photos and instructions are here to help you visualize how to make this delicious recipe. For a convenient printable version, complete with all measurements and detailed instructions, simply Jump to Recipe at the bottom of this post.
- Prepare the Slow Cooker Base: Begin by thinly slicing one medium onion into rings and layering them across the bottom of your 6 qt crockpot. This creates a flavorful cushion for the brisket and helps prevent sticking.
- Place the Brisket: Carefully remove the corned beef from its packaging. It’s important to drain off any excess liquid and give the brisket a good rinse under cold water to remove some of the surface salt. Place the rinsed corned beef, fat side up, directly on top of the sliced onions in the crockpot. This orientation allows the fat to render down and baste the meat, keeping it moist and adding flavor.
- Season and Add Liquids: Sprinkle the entire contents of the seasoning packet that came with your corned beef over the brisket. Drizzle the honey evenly over the top. Then, pour the Guinness (or broth) around the sides of the corned beef, being careful not to wash off the seasonings. Finally, drop the whole garlic cloves into the liquid.
- Initial Cook: Cover the crockpot with its lid and set it to cook on the LOW setting for 5 hours. This initial phase is crucial for the brisket to slowly tenderize and absorb the rich flavors.
- Add Carrots and Potatoes: After 5 hours, carefully remove the lid. Add the baby carrots and halved baby potatoes around the corned beef. Season the vegetables lightly with salt and pepper to taste. Replace the lid and continue cooking on LOW for another 2 hours. This timing ensures the root vegetables become perfectly tender without turning mushy.
- Incorporate Cabbage: Finally, add the quartered cabbage wedges to the slow cooker, placing them cut side facing up to allow them to cook evenly and absorb the broth. Season the cabbage to taste with a pinch of salt and pepper. Cover once more and cook on LOW for a final 2 hours. The cabbage will become wonderfully tender yet retain a slight bite, complementing the other components of the dish.
Frequently Asked Questions & Expert Tips for Perfect Corned Beef
While beer, especially Guinness, adds a wonderful depth and unique flavor profile to the corned beef, you absolutely will not taste the alcohol in the finished meal. Similar to cooking with wine, the alcohol evaporates during the long cooking process, leaving behind only its rich essence. If you prefer not to use beer for any reason, a simple and effective substitution is chicken broth or beef broth. These will still contribute a savory liquid base for the brisket and vegetables to cook in.
Storing your delicious corned beef and vegetables is straightforward. Allow any leftovers to cool completely to room temperature. Then, transfer them to an airtight container and store it in the refrigerator. Properly stored, your crockpot corned beef leftovers will stay fresh and flavorful for up to 4 days. This makes it a fantastic meal prep option!
Absolutely! While the crockpot offers a hands-off, slow-and-steady approach, corned beef can certainly be made using other methods. For a much quicker cooking time, check out our Instant Pot corned beef recipe. If you prefer a more traditional stovetop method or want to try your hand at brining your own beef, we can also show you how to prepare corned beef and cabbage in a stockpot with homemade brine.
For the most tender slices, it is crucial to slice corned beef against the grain. The grain refers to the direction of the muscle fibers in the meat. Find these long lines and cut perpendicularly across them. This shortens the muscle fibers, making each bite much easier to chew and more tender. You can slice it thin for sandwiches or thicker for a hearty dinner plate, but always against the grain!
Corned beef is cured in a salty brine, and rinsing it helps remove some of the excess surface salt. This prevents the final dish from being overly salty, allowing the other flavors to shine through more clearly. Don’t skip this quick but important step!
Yes, you can! While the classic carrots, potatoes, and cabbage are fantastic, feel free to experiment. Pearl onions, parsnips, or even a few stalks of celery could be added alongside the carrots and potatoes. Just ensure they are cut into appropriately sized pieces to cook evenly in the slow cooker.

Serving Your Delicious Crockpot Corned Beef
Once your corned beef has finished its long, slow simmer to perfection, it’s time to serve! Carefully remove the brisket from the crockpot and let it rest for 10-15 minutes on a cutting board before slicing. Resting allows the juices to redistribute throughout the meat, ensuring every slice is incredibly moist and flavorful. As an expert tip, always slice your corned beef against the grain to maximize its tenderness. You can cut it thin for delicate servings or thicker for a more substantial plate, depending on your preference. For an added touch of freshness and a pop of color, consider garnishing your finished dish with a sprinkle of freshly chopped parsley.
While corned beef has historical connections to Ireland, its widespread popularity, particularly with cabbage and potatoes, is largely an Irish-American tradition. It gained prominence in the United States, especially among Irish immigrants in New York who adapted their culinary traditions. They often paired salt-cured beef, purchased from kosher butchers, with the readily available and affordable cabbage and potatoes. This cultural fusion cemented corned beef and cabbage as a beloved dish, particularly associated with St. Patrick’s Day celebrations. However, its hearty, comforting nature makes it a fantastic meal to enjoy year-round, not just for the holiday.
Serve this complete meal directly from the crockpot, allowing guests to choose their favorite cuts of beef and a generous helping of the tender vegetables. You might also offer a side of whole grain mustard or a creamy horseradish sauce for those who enjoy an extra kick of flavor.
More Delightful St. Patrick’s Day Recipes to Explore
If you’re planning a full St. Patrick’s Day feast or simply love Irish-inspired cuisine, here are some other fantastic recipes to round out your meal:
- Classic Irish Stew: A hearty and comforting classic, perfect for a chilly day.
- Savory Fried Cabbage: An excellent side dish that’s quick to make and full of flavor.
- Traditional Irish Soda Bread: A quintessential Irish bread, wonderful served warm with butter.
- The Best Reuben Sandwich: If you love corned beef, you’ll adore this iconic sandwich.
- Boozy Leprechaun Cocktail: A fun and festive drink for adult celebrations.
- Creamy Colcannon Mashed Potatoes: Mashed potatoes with cabbage or kale, a true Irish staple.
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Crockpot Corned Beef
IMPORTANT – There are often Frequently Asked Questions within the blog post that you may find helpful. Simply scroll back up to read them!
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Ingredients
- 1 medium onion sliced into rings
- 3 lbs corned beef brisket 3-4 lbs, flat cut with spice packet
- 2 Tbsp honey or brown sugar
- 14.9 oz Guinness or beef/chicken stock
- 6 cloves garlic whole
- 3 cups baby carrots
- 1 lb baby potatoes cut in half
- 1 head green cabbage small head, quartered
- salt and pepper or seasoned salt to taste
Equipment You’ll Need
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6 qt Crockpot
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Cutting board
Chef’s Notes & Expert Tips
- Beer Substitution: While Guinness beer adds a wonderful depth, you can substitute it with any other dark beer or stout, or simply use chicken or beef broth for a non-alcoholic option. The finished corned beef will not taste like beer, but rather have a richer, more complex flavor. We personally love using Guinness draught for its robust character.
- Sweetener Choice: If you’re not a fan of honey, an equal amount of brown sugar can be used as a perfect substitute to achieve that balanced sweet-savory note.
- Choosing Your Brisket: Corned beef brisket comes in two main types: point cut and flat cut. For this slow cooker recipe, I strongly recommend using a flat cut. It cooks more evenly and slices beautifully, giving you more lean beef. The point cut has more fat, which can yield more flavor, but the flat cut offers the best of both worlds – great flavor with easier handling and consistent results.
- Storage Tips: To store any delicious leftovers, ensure they are completely cooled. Transfer the corned beef and vegetables into an airtight container and refrigerate for up to 4 days. It reheats wonderfully!
- Don’t Forget to Rinse: Always remember to drain and rinse your corned beef brisket under cold water before placing it in the slow cooker. This removes excess curing salt and prevents your dish from being overly salty.
- Slicing for Tenderness: For the most tender experience, always slice your cooked corned beef against the grain. This shortens the muscle fibers, making the meat incredibly easy to chew.
Instructions
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Layer the bottom of your 6-quart crockpot with evenly sliced onion rings.
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Drain and thoroughly rinse the corned beef brisket. Place it fat side up onto the bed of onions in the crockpot.
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Sprinkle the contents of the seasoning packet over the corned beef and drizzle generously with honey.
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Carefully pour the Guinness (or your chosen broth) around the sides of the corned beef, then add the whole garlic cloves into the liquid.
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Cover the crockpot and cook on the LOW setting for 5 hours.
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After 5 hours, add the baby carrots and halved baby potatoes to the slow cooker. Season the vegetables with salt and pepper to taste. Cover and continue cooking on LOW for an additional 2 hours.
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Finally, add the quartered cabbage wedges, placing them cut side facing up. Season the cabbage to taste. Cover and cook on LOW for another 2 hours, or until all vegetables are tender and the corned beef is easily shreddable.
Nutrition Information
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The recipes on this blog are tested with a conventional gas oven and gas stovetop. It’s important to note that some ovens, especially as they age, can cook and bake inconsistently. Using an inexpensive oven thermometer can assure you that your oven is truly heating to the proper temperature. If you use a toaster oven or countertop oven, please keep in mind that they may not distribute heat the same as a conventional full sized oven and you may need to adjust your cooking/baking times. In the case of recipes made with a pressure cooker, air fryer, slow cooker, or other appliance, a link to the appliances we use is listed within each respective recipe. For baking recipes where measurements are given by weight, please note that results may not be the same if cups are used instead, and we can’t guarantee success with that method.