Looking for a hearty dinner that practically cooks itself? This Slow Cooker Rump Roast is tender, flavorful, and made with just a few basic ingredients. Just toss everything in the slow cooker like beef and carrots, let it simmer low and slow. The result? A melt-in-your-mouth beef pot roast that makes your kitchen smell amazing and your dinner table extra cozy.
I found an old handwritten recipe card tucked inside my grandmother’s cookbook. It simply read, “Rump Roast – slow and steady wins the dinner,” with a little smiley face drawn beside it. Even though she did not have advantage of owning slow cooker, I was sure I can make it her way with a bit of a modern twist. I dusted off my slow cooker and gave it a try, and just like that, it became a new family favorite.
Effortless Flavorful Dinner
Rump roast in the slow cooker is full of flavor thanks to the long, low cook time. You don’t need any fancy steps, just good seasoning and patience. The meat stays juicy, and the vegetables soak up all the delicious juices. It’s a simple way to make a satisfying, hearty dinner to go with some salad with blue cheese dressing, riced cauliflower or rutabaga fries.
Slow Cooker Rump Roast or Rump Roast in the Crockpot
Whether you call it a slow cooker or a crockpot, the method is the same: low and slow cooking for tender meat. Rump roast works especially well because it becomes soft and shreddable. It’s a hands-off dinner that feels like a treat.

Roasting Beef Rump Cap
If you ever find a rump cap roast, it’s great for slow cooking too. This cut has a nice fat cap that helps keep the meat moist while it cooks. Let it go low and slow until it’s fork-tender and rich with flavor. Slice it up or shred it, it’s delicious either way.
How To Make the Perfect Beef Slow Cooker Recipe
This hearty dish delivers tender, flavorful beef that melts in your mouth after hours of slow cooking. It’s a comforting meal that’s great for busy days, family dinners, or cozy nights in.
Kitchen Gadgets:
- Slow Cooker: The star tool that makes this roast tender and flavorful with minimal effort.
Ingredients:
- Rump Roast: A lean, flavorful cut that gets incredibly tender when cooked low and slow.
- Baby Carrots: Add a touch of sweetness and color to your hearty dish.
- Yellow Baby Potatoes: Creamy and soft, they soak up all the savory juices.
- Onion: Brings rich aroma and depth of flavor to the roast.
- Beef Broth: Beef stock forms the base of the savory cooking liquid.
- Salt (adjust to taste): Improves the natural flavors of the roast and veggies.
- Black Pepper (adjust to taste): Adds a little kick and warmth.
- Rosemary: A fragrant herb that pairs perfectly with beef.
- Thyme: Earthy and subtle, it rounds out the flavor profile.
*Exact measurements are listed in the recipe card below.
FULL INSTRUCTIONS WITH STEPS FOR BEEF RUMP ROAST RECIPE
First Step: Prepare Rump Cap
Start by patting the rump roast dry with paper towels to help the seasoning stick better. Prepare other ingredients like baby carrots, baby potatoes, onions, seasoning and herbs. This simple step makes your cooking process easier.
Second Step: Place it in the Slow Cooker and Season
Place the rump roast directly into the bottom of your slow cooker. Make sure it sits flat so it cooks evenly. Sprinkle the meat evenly with salt and pepper on all sides.
Third Step: Arrange Veggies Around the Meat
Add the baby carrots, yellow baby potatoes, and quartered onion around the roast. Try to distribute the vegetables evenly so they cook at the same rate. Nestling them beside the meat helps them soak up the rich juices.
Fourth Step: Beef Broth and Herbs
Add the rosemary sprig and a few sprigs of thyme right on top. Pour the beef broth gently over the meat and vegetables. These herbs will infuse the whole dish with cozy, savory depth while it simmers.
Fifth Step: Slow Cook
Cover the slow cooker with the lid and cook on low for 7–8 hours or high for 4–5 hours. The roast is ready when it’s fork-tender and easy to shred or slice. Serve warm with the vegetables and a generous spoonful of the flavorful broth.

TRICKS AND TIPS:
- Sear the Roast First: Browning the rump cut of beef in a pan before placing it in the slow cooker adds a deep, savory flavor. This step isn’t required, but it makes a big difference in taste.
- Layer Your Vegetables: Place sturdy vegetables like carrots and potatoes at the bottom of the slow cooker. They’ll cook evenly and soak up all the meaty juices for extra flavor.
- Use Low Heat for Best Results: Cooking on low for 8–10 hours gives the roast time to become tender and juicy. High heat can make it dry or tough, especially with leaner cuts of meat.
- Don’t Lift the Lid Too Often: Every time you open the lid, heat escapes and slows the cooking process. Trust the slow cooker to do its job. Check only near the end of cooking time.

FREQUENTLY ASKED QUESTIONS
What to Serve With Slow Cooker Pot Roast?
This hearty roast pairs well with kale salad, pickled watermelon rind, or baked cabbage. A crisp tomato and vegetable salad and protein salad can balance out the richness. You can also serve it over rice or egg noodles for a comforting meal.
How Do I Store Slow Cooker Pot Beef?
Let the roast cool before placing it in an airtight container. Store leftovers in the fridge for up to 4 days. Make sure to include some of the juices to keep the meat moist.

Yes, rump roast freezes well. Slice or shred the meat and store it in freezer-safe bags with some cooking liquid. It will last up to 3 months and can be reheated for quick meals later.
More Clean-Eating Recipes
If you love easy and quick meals, try more of our clean-eating recipes. Our grilled stuffed bell peppers are filled with tasty veggies and lean protein, perfect for a light lunch or dinner. The eggs and feta casserole is a great make-ahead breakfast full of flavor and protein.
Add a splash of brightness with our homemade orange sauce, great on chicken, tofu, or veggies. These simple recipes are all about feeling good while eating well.
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Full Recipe With a Printable Version
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Slow Cooker Rump Roast
Equipment
Ingredients
- 2.5 Pounds Rump Roast
- 1 Pound Baby Carrots
- 1.5 Pounds Yellow Baby Potatoes
- 1 Piece Onion peeled and quartered
- 3 Cups Beef Broth
- 1 teaspoon Salt adjust to taste
- 1 teaspoon Black Pepper adjust to taste
- 1 Sprig Rosemary
- 3 Sprigs Thyme or 4 sprigs
Instructions
- Start by patting the rump roast dry with paper towels to help the seasoning stick better. Prepare other ingredients like baby carrots, baby potatoes, onions, seasoning and herbs. This simple step makes your cooking process easier.
- Place the rump roast directly into the bottom of your slow cooker. Make sure it sits flat so it cooks evenly. Sprinkle the meat evenly with salt and pepper on all sides.
- Add the baby carrots, yellow baby potatoes, and quartered onion around the roast. Try to distribute the vegetables evenly so they cook at the same rate. Nestling them beside the meat helps them soak up the rich juices.
- Add the rosemary sprig and a few sprigs of thyme right on top. Pour the beef broth gently over the meat and vegetables. These herbs will infuse the whole dish with cozy, savory depth while it simmers.
- Cover the slow cooker with the lid and cook on low for 7–8 hours or high for 4–5 hours. The roast is ready when it’s fork-tender and easy to shred or slice. Serve warm with the vegetables and a generous spoonful of the flavorful broth.
Notes
- Sear the Roast First: Browning the rump cut of beef in a pan before placing it in the slow cooker adds a deep, savory flavor. This step isn’t required, but it makes a big difference in taste.
- Layer Your Vegetables: Place sturdy vegetables like carrots and potatoes at the bottom of the slow cooker. They’ll cook evenly and soak up all the meaty juices for extra flavor.
- Use Low Heat for Best Results: Cooking on low for 8–10 hours gives the roast time to become tender and juicy. High heat can make it dry or tough, especially with leaner cuts of meat.
- Don’t Lift the Lid Too Often: Every time you open the lid, heat escapes and slows the cooking process. Trust the slow cooker to do its job. Check only near the end of cooking time.
Nutrition
Disclaimer
Please note that nutrient values are estimates only. Variations can occur due to product availability and manner of food preparation. Nutrition may vary based on methods of origin, preparation, freshness of ingredients, and other factors.
seasoning for roasted meats
Bring out the best in your roasted meats with flavorful seasonings like garlic powder, rosemary, thyme, paprika, and black pepper. A simple blend of herbs and spices can add depth and deliciousness to every bite.