Why You’ll Love This Recipe

• Chuck roast becomes fork-tender: The beef slow cooks until it is very tender and easily pulls apart.
• Garlic butter adds plenty of flavor: Six to eight cloves of minced garlic cook briefly with butter and thyme before going over the roast.
• Onions cook underneath the beef: A large sliced onion creates the bottom layer in the slow cooker.
• Fresh rosemary adds an herbal element: Two to three sprigs cook around the meat and are removed before serving.
• You can use LOW or HIGH: The supplied recipe provides cooking ranges for both slow-cooker settings.
• There is a clear doneness cue: The roast is ready when it is very tender and pulls apart easily with a fork.
• The cooking juices are part of the finished dish: Spoon the garlic-butter juices over the meat before serving.
• It has flexible serving options: Mashed potatoes, roasted vegetables and crusty bread are all included in the original serving suggestions.

Ingredients

• 3–4 lb (1.4–1.8 kg) beef chuck roast
• 1 large onion, sliced
• 6–8 cloves garlic, minced
• 4 tbsp butter
• 1 tbsp olive oil
• 1 tsp salt
• 1 tsp black pepper
• 1 tsp paprika
• 1 tsp dried Italian seasoning
• 2–3 sprigs fresh rosemary
• 1 cup beef broth
• 1 tbsp Worcestershire sauce
• 1 tsp dried thyme
• 2 tbsp chopped fresh parsley, optional

Ingredient Notes

Beef Chuck Roast

The recipe calls for a 3–4 pound (1.4–1.8 kg) beef chuck roast. It slow cooks until very tender and easy to pull apart with a fork.

Onion

Slice one large onion and place it across the bottom of the slow cooker before setting the seasoned beef on top.

Fresh Garlic

Six to eight minced garlic cloves give this roast its prominent garlic flavor. The garlic cooks in melted butter with thyme for only about 1–2 minutes, just until fragrant.

Butter

Four tablespoons of butter form the base of the garlic-butter mixture. Melt it over low heat before adding the garlic and dried thyme.

Olive Oil

The ingredient list includes 1 tablespoon of olive oil. However, the supplied preparation does not specify when or how to use it, so this article does not assign it an invented role.

Salt, Black Pepper, Paprika and Italian Seasoning

Pat the chuck roast dry, then season all sides with 1 teaspoon each of salt, black pepper, paprika and dried Italian seasoning.

Fresh Rosemary

Place two to three fresh rosemary sprigs around the beef while it slow cooks. Remove the rosemary before resting and serving the roast.

Beef Broth

One cup of beef broth provides the liquid specified for the slow cooker.

Worcestershire Sauce

Add 1 tablespoon of Worcestershire sauce along with the beef broth.

Dried Thyme

One teaspoon of dried thyme goes into the melted butter with the minced garlic.

Fresh Parsley

Two tablespoons of chopped fresh parsley are listed as optional. The supplied preparation does not specify exactly when to add the parsley, so no additional step has been created for it.

Equipment

• Slow cooker
• Small saucepan
• Knife and cutting board
• Measuring cups and spoons
• Paper towels
• Forks or carving utensils for slicing or shredding the tender beef

How to Make Slow Cooker Garlic Butter Beef Roast

1. Prepare the Beef

   Pat the roast dry and season all sides with salt, black pepper, paprika, and Italian seasoning.

2. Prepare the Garlic Butter

   Melt the butter in a small saucepan over low heat. Add the minced garlic and thyme. Cook for about 1–2 minutes, just until fragrant. Do not burn the garlic.

3. Prepare the Slow Cooker

   Place the sliced onions on the bottom of the slow cooker. Put the seasoned beef roast on top.

4. Add the Sauce

   Pour the warm garlic-butter mixture over the roast. Add the beef broth and Worcestershire sauce. Place the rosemary sprigs around the meat.

5. Slow Cook the Roast

   Cover and cook on LOW for 8–9 hours or HIGH for 4–5 hours, until the beef is very tender and easily pulls apart with a fork.

6. Rest and Finish

   Remove the rosemary and let the roast rest for 10–15 minutes before slicing or shredding. Spoon some of the flavorful garlic-butter juices over the meat before serving.

Tips for the Best Results

• Pat the chuck roast dry: This is the first preparation step before seasoning the meat.
• Season every side: Coat all sides with the supplied salt, black pepper, paprika and Italian seasoning.
• Keep the heat low for the garlic butter: Melt the butter over low heat before adding the garlic and thyme.
• Watch the garlic carefully: It only needs about 1–2 minutes, just until fragrant. The original recipe specifically warns not to burn it.
• Put the onions underneath: The sliced onion forms the bottom layer, with the chuck roast placed on top.
• Add the rosemary around the meat: Use the supplied two to three sprigs and remove them after cooking.
• Use tenderness as your doneness cue: The roast should pull apart easily with a fork rather than merely reaching the end of the time range.
• Rest before slicing or shredding: Give the roast 10–15 minutes after removing the rosemary.
• Use the cooking juices: Spoon some of the flavorful garlic-butter liquid over the meat when serving.

Common Mistakes to Avoid

Skipping the Drying Step

The supplied preparation starts by patting the beef dry before applying the seasonings.

Burning the Garlic

The minced garlic and thyme cook in melted butter over low heat for only 1–2 minutes. Stop once the garlic becomes fragrant rather than allowing it to burn.

Putting the Onion on Top Instead of Underneath

The original preparation specifically places the sliced onion in the bottom of the slow cooker and the seasoned chuck roast on top.

Relying Only on the Clock

The cooking ranges provide guidance, but the supplied doneness cue matters too. The beef should become very tender and pull apart easily with a fork.

Forgetting to Remove the Rosemary

Take out the rosemary sprigs after cooking and before the roast rests.

Cutting the Roast Immediately

The recipe calls for a 10–15-minute rest before slicing or shredding.

Inventing a Use for the Olive Oil

Although 1 tablespoon of olive oil appears in the supplied ingredients, the preparation does not state how it is used. Keep that source ambiguity in mind rather than silently adding a new cooking step.

Substitutions and Variations

LOW Slow-Cooker Method

Cook the covered roast on LOW for 8–9 hours, until it becomes very tender and pulls apart easily with a fork.

HIGH Slow-Cooker Method

For the faster supplied option, cook the roast on HIGH for 4–5 hours and use the same fork-tender doneness cue.

Sliced Beef

After the 10–15-minute rest, the supplied recipe allows you to slice the roast for serving.

Shredded Beef

Alternatively, shred the rested beef. The roast should already be tender enough to pull apart easily when properly cooked.

Optional Parsley

The ingredient list includes 2 tablespoons of chopped fresh parsley as an optional addition. Because the original preparation does not specify exactly when to add it, no additional parsley step is assigned here.

No ingredient substitutions beyond the supplied cooking and serving options were included with the recipe, so additional changes would be editorial variations.

Serving Suggestions

Spoon some of the slow cooker’s flavorful garlic-butter juices over the sliced or shredded beef before serving. The original recipe suggests pairing the roast with mashed potatoes, roasted vegetables or crusty bread.

You can also spoon the slow-cooker juices over the accompanying potatoes, vegetables or bread, as suggested in the supplied serving note.

Storage and Reheating

Specific storage and reheating instructions were not included with the supplied recipe, so this article does not assign a storage duration or reheating method that was not provided.

Frequently Asked Questions

What cut of beef should I use?

The recipe calls for a 3–4 pound (1.4–1.8 kg) beef chuck roast.

How much garlic goes into this beef roast?

Use 6–8 cloves of minced garlic.

How do I make the garlic butter?

Melt 4 tablespoons of butter in a small saucepan over low heat. Add the minced garlic and 1 teaspoon of dried thyme, then cook for about 1–2 minutes until fragrant.

How do I keep the garlic from burning?

Use low heat and cook the garlic only until fragrant, following the supplied 1–2-minute guidance.

How long does Slow Cooker Garlic Butter Beef Roast cook on LOW?

The supplied LOW cooking range is 8–9 hours.

How long does the beef roast cook on HIGH?

Cook it on HIGH for 4–5 hours.

How do I know when the chuck roast is ready?

The supplied doneness cue is very tender beef that easily pulls apart with a fork.

Where do the onions go?

Place the sliced onion in the bottom of the slow cooker, then put the seasoned beef roast on top.

When do I add the rosemary?

Place two to three fresh rosemary sprigs around the meat after adding the garlic butter, beef broth and Worcestershire sauce.

Do I remove the rosemary before serving?

Yes. Remove the rosemary after cooking and before the roast rests.

How long should the beef rest?

Let the roast rest for 10–15 minutes before slicing or shredding.

What is the olive oil used for?

The ingredient list includes 1 tablespoon of olive oil, but the supplied preparation does not specify its use. Rather than inventing a step, this version preserves that source ambiguity.

Related Recipes

• Slow Cooker Beef Recipes
• Chuck Roast Recipes
• Pot Roast Recipes
• Garlic Butter Recipes
• Easy Slow Cooker Dinners

Recipe Card: Slow Cooker Garlic Butter Beef Roast

Ingredients

• 3–4 lb (1.4–1.8 kg) beef chuck roast
• 1 large onion, sliced
• 6–8 cloves garlic, minced
• 4 tbsp butter
• 1 tbsp olive oil
• 1 tsp salt
• 1 tsp black pepper
• 1 tsp paprika
• 1 tsp dried Italian seasoning
• 2–3 sprigs fresh rosemary
• 1 cup beef broth
• 1 tbsp Worcestershire sauce
• 1 tsp dried thyme
• 2 tbsp chopped fresh parsley, optional

Instructions

1. Pat the roast dry and season all sides with salt, black pepper, paprika, and Italian seasoning.
2. Melt the butter in a small saucepan over low heat. Add the minced garlic and thyme. Cook for about 1–2 minutes, just until fragrant. Do not burn the garlic.
3. Place the sliced onions on the bottom of the slow cooker. Put the seasoned beef roast on top.
4. Pour the warm garlic-butter mixture over the roast. Add the beef broth and Worcestershire sauce. Place the rosemary sprigs around the meat.
5. Cover and cook on LOW for 8–9 hours or HIGH for 4–5 hours, until the beef is very tender and easily pulls apart with a fork.
6. Remove the rosemary and let the roast rest for 10–15 minutes before slicing or shredding. Spoon some of the flavorful garlic-butter juices over the meat before serving.

Recipe Notes

• Pat the chuck roast dry before seasoning all sides.
• Cook the minced garlic and thyme in butter over low heat for only about 1–2 minutes, just until fragrant.
• Do not burn the garlic.
• Place the sliced onions underneath the beef in the slow cooker.
• Cook on LOW for 8–9 hours or HIGH for 4–5 hours.
• The beef is ready when very tender and easy to pull apart with a fork.
• Remove the rosemary before resting the roast.
• Rest for 10–15 minutes before slicing or shredding.
• Spoon the garlic-butter cooking juices over the beef before serving.
• The ingredient list contains 1 tablespoon olive oil, but the supplied preparation does not specify how it is used.
• Fresh parsley is optional, and the source does not specify exactly when to add it.
• No prep time, serving yield or nutrition information was supplied.

Storage and Reheating

Specific storage and reheating instructions were not included with the supplied recipe.