Name: Slow Cooker Beef Rump Roast
Prep time: 10 min
Cook time: 4 h 30 min
Total time: 4 h 40 min
Yield: 6 Servings
Cuisine: American

Real Life of Lulu Verified

January 22, 2026

This Slow Cooker Rump Roast is pure comfort food with zero fuss. The beef turns out super tender, and the veggies soak up all that flavorful broth. It’s the kind of easy, hearty dinner that makes you feel like a rockstar—even if you barely touched the stove.

From the Cook

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Slow Cooker Beef Rump Roast

Real Life of Lulu Verified

Ingredients

WarningWheat and 2 other allergens identified

Instructions

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Instructions

Place the rump roast in the slow cooker.

Season with salt and pepper.

Peel and quarter the onion. Place in the slow cooker.

Add the yellow baby potatoes, baby carrots, beef broth, rosemary, and thyme.

Cook on low for 7-8 hours or on high for 4-5 hours.

After cooking, cut the beef and serve warm.

Smart Nutrition

My Calorie Intake

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Tips & Tricks (5)

Sear for Superior Flavor 🔥
Before slow cooking, quickly sear the rump roast in a hot cast-iron skillet to develop a rich, caramelized crust that locks in deep flavor and creates complex taste layers.
Herb Infusion Technique 🌿
Crush fresh thyme and rosemary between your fingers before adding to release their essential oils and maximize their aromatic potential in the slow cooker.
Vegetable Placement Matters 🥕
Layer baby carrots and yellow potatoes on the bottom of the slow cooker, then place the meat on top to allow vegetables to absorb the rich meat drippings and develop maximum flavor.
Liquid Level Precision 💧
Use just enough beef broth to cover 1/3 to 1/2 of the roast, which prevents boiling and ensures a more concentrated, intense braising effect.
Fat Trimming Pro Tip 🔪
Leave a thin layer of external fat on the rump roast during cooking to self-baste the meat and ensure exceptional moisture and tenderness.