Easy Slow Cooker Rump Roast Recipe

Okay, so this is like, the easiest, most amazing, dump-it-and-forget-it meal EVER. We’re talking slow cooker rump roast, but not just any rump roast. This one’s got a sweet and savory thing going on with pineapple and a bit of Asian-inspired flavor. Seriously, it’s like a luau in your mouth, and the best part is, you barely have to do anything!
My husband, bless his heart, is the definition of a meat-and-potatoes guy. Getting him to eat anything remotely “exotic” (his words, not mine!) is a battle. But THIS? He goes back for seconds. One time, I made it for a potluck and it was the first dish GONE. I even caught my kid sneaking bites straight from the slow cooker when he thought I wasn’t looking! Now, I make it at least twice a month – it’s become a solid staple, and honestly, a lifesaver on busy weeknights.
Why You’ll Love This Easy Slow Cooker Rump Roast Recipe
- Because it’s ridiculously easy. Seriously, dump everything in and walk away. Even I can’t mess it up (and that’s saying something!).
- Pineapple. On meat. Don’t knock it ’til you try it. It’s a total flavor explosion!
- It makes your house smell AMAZING. Like, “I’m a domestic goddess” amazing.
- Leftovers (if there are any) are even better the next day. Trust me, cold rump roast slices on a sandwich? Game changer.
How to Make It
Okay, so first things first, grab your rump roast. Don’t be shy, get a good sized one, like 3-4 pounds. Now, you wanna sear it. Don’t skip this! Just get a pan ripping hot with a little oil and brown that baby on all sides. It locks in the juices, promise! It’s like giving the roast a little tan before its long, slow cooker vacation. Then, just plop that gorgeous seared roast into your slow cooker.
Now comes the fun part, throw everything else in there. Pineapple chunks (fresh is best, but canned works in a pinch – just drain ’em good), soy sauce (or tamari if you’re gluten-free), brown sugar (because, yum!), garlic (minced, please – nobody wants big chunks of garlic), ginger (fresh if you’ve got it, powdered if you don’t, don’t sweat it), sesame oil (a little goes a long way!), and a splash of apple cider vinegar to balance out the sweetness.
Give it a good stir, then put the lid on and set it to low. Walk away. Seriously, go do laundry, watch your favorite show, take a nap. Six to eight hours later, you’re gonna have the most tender, flavorful rump roast you’ve ever tasted. When it’s done, shred it with a fork right in the slow cooker. Serve it over rice, quinoa, or even just eat it straight out of the pot (don’t judge me, we’ve all been there). Enjoy!
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Ingredient Notes
- Rump Roast: Don’t be scared of the size. Leftovers are your friend. I once accidentally bought a HUGE one and we ate it for days. No regrets.
- Pineapple: Fresh is the best, obviously. But canned chunks work great too. Just make sure you drain them really well, unless you want your roast swimming in pineapple juice. (Spoiler alert: it’s not the end of the world if that happens.)
- Soy Sauce: I usually use low-sodium because I tend to go a little heavy-handed with it. Tamari is a great substitute if you’re gluten-free.
- Brown Sugar: Adds that caramel-y sweetness. Light or dark, doesn’t really matter. I once used maple syrup when I was out of brown sugar, and it was still delicious.
- Garlic & Ginger: Don’t skimp! These are flavor powerhouses. Fresh is always better, but powdered ginger works in a pinch. Just don’t use garlic powder – it’s not the same.
- Sesame Oil: This adds that nutty, toasted flavor. Don’t overdo it, though, it’s potent stuff!
- Apple Cider Vinegar: Don’t skip this! It balances out the sweetness and adds a little zing. You can use white vinegar if that’s all you have, but ACV is my go-to.
Recipe Steps:
- Sear: Brown the rump roast on all sides in a hot pan.
- Place: Put the seared roast in the slow cooker.
- Add: Combine pineapple, soy sauce, brown sugar, garlic, ginger, sesame oil, and apple cider vinegar in the slow cooker.
- Stir: Mix all ingredients together.
- Cook: Cover and cook on low for 6-8 hours.
- Shred: Shred the roast with a fork directly in the slow cooker.
- Serve: Serve over rice, quinoa, or as desired.
What to Serve It With
Okay, so here’s where you can get creative. I usually serve this over rice – plain white rice, or if I’m feeling fancy, coconut rice. Quinoa is another great option. If you’re watching your carbs, you can serve it with cauliflower rice or just eat it as is with a side of steamed veggies. A simple salad with a light vinaigrette also works wonders. Oh! And don’t forget a sprinkle of sesame seeds and some chopped green onions for garnish.
Tips & Mistakes
- Don’t skip the searing! It makes a HUGE difference in the flavor and texture of the roast.
- Don’t overcook it! If you cook it for too long, it’ll dry out. You want it to be tender and shred easily.
- Taste as you go. Adjust the sweetness and saltiness to your liking.
- If you’re using canned pineapple, drain it REALLY well. Nobody likes a watery roast.
- Don’t be afraid to experiment! Try adding different spices or vegetables. Get creative and make it your own!
Storage Tips
Leftovers are the BEST! Store them in an airtight container in the fridge for up to 3-4 days. You can reheat it in the microwave, on the stovetop, or even in the slow cooker. And seriously, don’t knock cold rump roast until you’ve tried it. It’s amazing on sandwiches, in salads, or even just straight out of the container at 3 AM (don’t ask me how I know). No judgement here! Sometimes I even throw it on an English muffin with a fried egg for breakfast. It’s a party in your mouth!
Variations and Substitutions
Okay, let’s talk swapsies. No brown sugar? Honey or maple syrup will totally work. Out of soy sauce? Tamari or coconut aminos are your gluten-free heroes. Don’t have fresh ginger? Powdered ginger will do in a pinch. I’ve even used ginger paste when I was feeling lazy. As for skipping ingredients… Honestly, the sesame oil is the most “optional” one. You’ll lose that nutty flavor, but it’s still gonna be delicious. One time, I forgot the apple cider vinegar and it was still pretty darn good. This recipe is pretty forgiving, so don’t stress too much if you’re missing something.
Frequently Asked Questions
Easy Slow Cooker Rump Roast Recipe

Easy Slow Cooker Rump Roast Recipe
Ingredients
Main Ingredients
- 3.5 pound beef rump roast trimmed of excess fat
- 1 tablespoon olive oil extra virgin
- 3 cloves garlic minced
- 1 teaspoon salt to taste
- 1 teaspoon black pepper freshly ground
- 1 teaspoon dried thyme
- 1 teaspoon dried rosemary
- 1.5 cup beef broth low sodium
- 2 medium onions sliced
- 4 large carrots peeled and cut into chunks
- 3 medium potatoes quartered
Instructions
Preparation Steps
- Heat the olive oil in a large skillet over medium-high heat. Season the rump roast with salt, pepper, thyme, and rosemary.
- Sear the roast in the hot oil until browned on all sides, about 5 minutes per side. Transfer to a slow cooker.
- Add garlic to the skillet and sauté for 1 minute, then transfer to the slow cooker.
- Pour beef broth over the roast in the slow cooker. Arrange onions, carrots, and potatoes around the roast.
- Cover and cook on low until the meat is tender, 8 to 10 hours.
- Remove roast and vegetables from the slow cooker. Let the roast rest for 10 minutes before slicing.