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Slow Cooker Beef Manhattan

This slow cooker beef Manhattan is a delicious and comforting dinner idea that your entire family will enjoy. Tender beef that is slow-cooked in a savory au jus and then served on a bed of creamy mashed potatoes and crunchy garlic bread.



One of my favorite things about this simple recipe is that the crock pot does all the work. You can set it and forget and come back to a hearty meal at the end of the day. So, that means that this recipe is perfect for busy weekdays when you need something on the table in a hurry.


Why You’ll Love This Recipe 

  • When it comes to comfort food, beef Manhattan is a classic.
  • It’s rich and flavorful, yet simple enough for even inexperienced cooks to make with ease.
  • With this slow cooker version, you can set it up in the morning and have dinner ready by the time you get home from work or school.
  • Plus, since it’s cooked low and slow, the beef turns out incredibly tender and flavorful.

If you love tasty and easy slow cooker recipes like this one then you may also enjoy this Slow Cooker Brisket recipe.


garlic bread, a mixing bowl filled with mashed potatoes, vinegar, raw beef, french onion soup mix, and a brown gravy packet

For this recipe, you will need a few simple ingredients to help you make this savory recipe. All of these ingredients are easy to find at your local grocery store so you don’t have to worry about spending a lot of time tracking down specialty ingredients.

  • beef chuck roast
  • onion soup mix
  • brown gravy mix 
  • red wine vinegar 
  • prepared mashed potatoes 
  • prepared garlic toast


You only need a couple of kitchen tools to help you make this hearty meal. Gather these tools and get ready to dive into this classic comfort food.

How to Make Slow Cooker Beef Manhattan

Making this slow cooker recipe is so simple. Just follow the steps below or in the recipe card at the bottom of the post and you will have a hearty meal that your entire family will enjoy in no time at all.

raw beef, gravy and onion soup mix in a slow cooker

Step 1: Add the ingredients to the slow cooker

Place the chuck roast pieces into a 7 quart slow cooker (That’s the one I used, I love it!)  Sprinkle the onion soup mix and brown gravy mix over the roast. Pour the red wine vinegar over the top.

cooked and shredded beef in a slow cooker

Step 2: Cook the beef

Cover and cook on low for 6 to 8 hours or on high for 4 hours. And, then shred the beef with two forks.

beef manhattan being assembled on a white plate

Step 3: Assemble the plates

On a plate, place the toast. Add a layer of mashed potatoes on the toast and top with the beef and au jus.

beef manhattan on a white plate with a side of cooked mixed vegetables


Store leftover beef in an airtight container in the fridge for up to 4 days. You can also store leftover mashed potatoes and garlic bread in the fridge separate from the meat.

Freezing – The beef can also be frozen in an airtight container for up to 3 months. However, it is not recommended to freeze the mashed potatoes.

Reheating – To reheat the beef, place it in a skillet over medium heat and cook until warmed through. Or in the microwave for 1-2 minutes.

What to Serve with Beef Manhattan

Here are a few of my favorite side dishes and a dessert to savory with this savory meal.

Substitutions and Additions

Here are a few different ways that you can personalize or change up this recipe to suit your family’s taste buds.

  • Add a touch of heat by adding in some chili flakes or red pepper flakes.
  • For a smokier flavor, add in smoked paprika.
  • Substitute the red wine vinegar for balsamic vinegar.
  • Add in mushrooms or other vegetables like bell peppers and carrots.
  • Top with shredded cheese such as cheddar, mozzarella, or parmesan.

beef manhattan on a white plate with a side of cooked mixed vegetables

Pro Tips 

Here are a few tips that you can use to ensure that this recipe turns out perfectly for you every time that you make it.

  • You can use homemade mashed potatoes or to save a little time pick up the premade kind at your local grocery store.
  • I like to use the frozen Texas Toast at the store, but you could use homemade garlic or your favorite type instead.
  • I like to spray my slow cooker with some nonstick cooking spray, but you could use a slow cooker liner.
  • Add a cornstarch slurry to your beef after you shred it, and then allow it to cook for another 5 minutes or so if you want to thicken your au jus.


Do you have questions about this slow cooker beef manhattan recipe? Here are the answers to the most commonly asked questions for this recipe.

Where does beef manhattan get its name?

Beef Manhattan is named after Navel Ordinance Plant workers who were trained in Manhattan. That is where they started eating open faced sandwiches like this one. And, then name stuck.

What type of roast is best for this recipe?

I like to use chuck roast for this recipe because it turns out incredibly tender after slow cooking. But you could also use a rump roast or your favorite cut of beef.

Can this recipe be doubled?

Yes, this recipe can easily be doubled or even tripled for larger families or when entertaining. You will just need to use a larger slow cooker.

More Slow Cooker Recipes

Slow Cooker Beef Manhattan

Beef Manhattan is tender and juicy beef served on top of a bed of creamy mashed potatoes as an open face sandwich.

Course Beef
Cuisine American
Keyword Slow Cooker Beef Manhattan
Prep Time 10 minutes
Cook Time 6 hours
Total Time 6 hours 10 minutes
Servings 6 Servings


  • 2 to 3 pounds beef chuck roast cut into large chunks
  • 1 packet onion soup mix
  • 1 packet brown gravy mix
  • ¼ cup red wine vinegar
  • 4 cups prepared mashed potatoes
  • 6 to 8 slices prepared garlic toast


  1. Place the chuck roast pieces into a 4 quart slow cooker.
  2. Sprinkle the onion soup mix and brown gravy mix over the roast. Pour the red wine vinegar over the top.
  3. Cover and cook on low for 6 to 8 hours or on high for 4 hours.
  4. Shred the beef with two forks.
  5. To assemble: On a plate, place the toast. Add a layer of the mashed potatoes on the toast and top with the beef and au jus.

Thanks for stopping by today! I hope you enjoyed this delicious and hearty slow cooker recipe. Before leaving, scroll around to see more slow cooker recipes. Also, you can print and copy todays featured recipe that’s in the recipe card. Please stop back again soon. There’s so many more recipes to see both savory and sweet. New ones too. To save and collect any of your favorites, pin them on Pinterest. It’s a great way of saving for later on. 

Bye for now…











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