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Slow Cooker Roast Beef with mashed potatoes in a white bowl with a sprig of rosemary

Slow Cooker Rosemary Garlic Crusted Roast Beef

You must try this easy to prepare Rosemary Garlic Slow Cooker Roast Beef! The roast beef is seasoned beautifully and the flavors pair perfectly with my Slow Cooker Gratin Potatoes. Your slow cooker does all the hard work making this delicious meal perfect for the next holiday celebration or week night meal!
Prep Time 30 minutes
Cook Time 9 hours
Resting Time 30 minutes
Total Time 9 hours 30 minutes
Servings 8
Calories 245kcal


  • 2 pound eye of round beef roast (you can also use rump roast if preferred)
  • 2 tablespoons olive oil
  • 3 stalks fresh rosemary
  • 4 teaspoons minced garlic
  • 1 teaspoon sea salt
  • ½ teaspoon fresh ground pepper
  • 1 tablespoon balsamic vinegar


  • Rub roast all over with olive oil
  • Chop leaves of rosemary and combine with garlic, sea salt and pepper
  • Rub around the outside of the roast to form a crust
  • Preheat a skillet or multicooker to 400 degrees
  • Add roast and sear on each side until lightly browned (4-6 minutes)
  • Deglaze pan with balsamic vinegar and transfer all contents to slow cooker
  • Cover and cook on low for 8-9 hours
  • Remove and let rest for 15-30 minutes then slice to serve


I cooked this from start to finish in my 4 quart multi cooker, first by browning at 400 degrees then switching to slow cook low for 8 hours.


Calories: 245kcal | Protein: 31g | Fat: 12g | Saturated Fat: 3g | Cholesterol: 88mg | Sodium: 332mg | Potassium: 257mg | Vitamin A: 10IU | Vitamin C: 0.5mg | Calcium: 10mg | Iron: 2.8mg