Slow Cooker Beef and Potato Casserole

Posted on July 27, 2025

Imagine coming home to the comforting aroma of a hearty, slow-cooked meal that practically made itself. This Slow Cooker Beef and Potato Casserole is exactly that – a culinary embrace that combines tender, fall-apart beef with soft, flavorful potatoes, all simmered in a rich, savory gravy. It’s the ultimate set-it-and-forget-it dish, perfect for busy weeknights when you crave a homemade meal without the fuss. This casserole is a testament to the magic of slow cooking, transforming simple ingredients into a deeply satisfying and incredibly delicious one-pot wonder that will warm you from the inside out.

The beauty of this casserole lies in its simplicity and the depth of flavor it achieves with minimal effort. The slow cooker works its magic, tenderizing the beef to perfection while allowing the potatoes to absorb all the wonderful juices and seasonings. Each spoonful is a harmonious blend of textures and tastes, from the melt-in-your-mouth beef to the creamy potatoes and the rich, savory sauce that ties it all together. It’s a versatile dish that can be easily adapted to your family’s preferences, making it a reliable go-to for cozy dinners or feeding a crowd. Get ready to add this incredibly easy and delicious Slow Cooker Beef and Potato Casserole to your regular rotation.

Why You’ll Love This Recipe

  • Effortless Cooking: The slow cooker does all the hard work, perfect for busy days.
  • Comfort Food at Its Best: Hearty, warming, and incredibly satisfying.
  • Tender & Flavorful: Beef that melts in your mouth and potatoes infused with rich gravy.
  • One-Pot Wonder: Minimal cleanup, as everything cooks in a single pot.
  • Family-Friendly: A universally loved combination of beef and potatoes that appeals to all ages.
Slow Cooker Beef and Potato Casserole

Ingredients You’ll Need

To create this comforting Slow Cooker Beef and Potato Casserole, gather the following ingredients:

  • 2 pounds beef stew meat, cut into 1-inch cubes
  • 1 tablespoon olive oil
  • 1 large onion, chopped
  • 2 cloves garlic, minced
  • 1 (10.75 ounce) can condensed cream of mushroom soup (or cream of celery/chicken)
  • 1 (10.75 ounce) can condensed cream of potato soup
  • 1 cup beef broth
  • 1 teaspoon dried thyme
  • ½ teaspoon dried rosemary
  • Salt and freshly ground black pepper, to taste
  • 2 pounds potatoes, peeled and cut into 1-inch cubes (Russet or Yukon Gold work well)
  • 1 cup frozen mixed vegetables (peas, carrots, corn, green beans)
  • Fresh parsley, chopped, for garnish (optional)
Beef and potato casserole ingredients

How to Make Slow Cooker Beef and Potato Casserole

Follow these simple steps to prepare a delicious and comforting meal with minimal effort:

Step 1: Brown the Beef (Optional but Recommended)

While optional, browning the beef before adding it to the slow cooker adds a deeper flavor. In a large skillet, heat the olive oil over medium-high heat. Add the beef stew meat in batches (do not overcrowd the pan) and brown on all sides. Remove the browned beef and place it in the slow cooker. If you prefer to skip this step, you can add the raw beef directly to the slow cooker.

Step 2: Sauté Aromatics

In the same skillet (if you browned the beef), add the chopped onion and cook until softened, about 5-7 minutes. Add the minced garlic and cook for another minute until fragrant. Transfer the onion and garlic mixture to the slow cooker with the beef.

Step 3: Combine Ingredients in Slow Cooker

Add the condensed cream of mushroom soup, condensed cream of potato soup, beef broth, dried thyme, dried rosemary, salt, and black pepper to the slow cooker. Stir well to combine all the ingredients with the beef and aromatics. Add the cubed potatoes and frozen mixed vegetables to the slow cooker and gently stir to ensure they are well coated in the soup mixture.

Step 4: Cook to Perfection

Cover the slow cooker and cook on low for 6-8 hours or on high for 3-4 hours, or until the beef is fork-tender and the potatoes are soft. The cooking time may vary slightly depending on your slow cooker. Stir occasionally during the last hour of cooking to prevent sticking and ensure even cooking.

Step 5: Serve and Enjoy

Once cooked, give the casserole a final stir. Taste and adjust seasonings if necessary. Serve hot, garnished with fresh chopped parsley if desired. This casserole is a complete meal on its own, but it also pairs wonderfully with a side of crusty bread or a simple green salad.

Slow cooker beef and potato casserole serving

Helpful Tips for Success

  • Cut Evenly: Cut the beef and potatoes into similar-sized cubes to ensure they cook evenly.
  • Don’t Overfill: Do not fill your slow cooker more than two-thirds full to allow for proper cooking and circulation.
  • Thickening the Sauce: If the sauce is too thin after cooking, you can remove a cup of the liquid, whisk in 1-2 tablespoons of cornstarch, and return it to the slow cooker, stirring until thickened. Alternatively, you can simmer it on the stovetop for a few minutes.
  • Vegetable Variations: Feel free to swap out the mixed vegetables for other favorites like sliced carrots, celery, or mushrooms.
  • Add Cheese: For an extra layer of flavor, stir in a cup of shredded cheddar cheese during the last 30 minutes of cooking.
  • Make Ahead: This casserole tastes even better the next day! Store leftovers in an airtight container in the refrigerator for up to 3-4 days.

Frequently Asked Questions

Q: Can I use a different cut of beef?

A: Yes, chuck roast or round roast can also be used. Just ensure they are cut into 1-inch cubes for even cooking.

Q: Do I have to brown the beef?

A: No, browning is optional. It adds a deeper, richer flavor to the beef, but the casserole will still be delicious if you skip this step.

Q: Can I use fresh vegetables instead of frozen?

A: Absolutely! If using fresh vegetables like carrots or green beans, add them at the beginning of the cooking process. More tender vegetables like peas can be added during the last hour.

Q: My casserole is too watery. What can I do?

A: See the helpful tips section for thickening the sauce. You can also remove the lid for the last 30-60 minutes of cooking to allow some of the liquid to evaporate.

Q: Can I freeze this casserole?

A: Yes, this casserole freezes well. Allow it to cool completely, then transfer to an airtight, freezer-safe container for up to 3 months. Thaw in the refrigerator overnight and reheat gently on the stovetop or in the microwave.

Conclusion

This Slow Cooker Beef and Potato Casserole is the epitome of comfort food made easy. With minimal prep and the magic of your slow cooker, you can create a deeply flavorful and satisfying meal that will be a hit with the whole family. It’s a dish that promises warmth, tenderness, and a rich, savory experience with every spoonful. Perfect for those chilly evenings or when you simply need a hearty, no-fuss dinner, this casserole is sure to become a beloved staple in your home. So, set it, forget it, and get ready to enjoy the delicious rewards of slow cooking!

Alina

Slow Cooker Beef and Potato Casserole

A hearty and comforting slow cooker casserole featuring tender beef and potatoes in a rich, savory gravy, perfect for a no-fuss meal.
Prep Time 20 minutes
Cook Time 6 hours
Total Time 6 hours 20 minutes
Servings: 6 servings
Course: Main Course
Cuisine: American, Comfort Food
Calories: 450

Ingredients
  

Main Ingredients
  • 2 pounds beef stew meat cut into 1-inch cubes
  • 1 tablespoon olive oil
  • 1 large onion chopped
  • 2 cloves garlic minced
  • 1 10.75 ounce can condensed cream of mushroom soup
  • 1 10.75 ounce can condensed cream of potato soup
  • 1 cup beef broth
  • 1 teaspoon dried thyme
  • ½ teaspoon dried rosemary
  • Salt and freshly ground black pepper to taste
  • 2 pounds potatoes peeled and cut into 1-inch cubes
  • 1 cup frozen mixed vegetables peas, carrots, corn, green beans
  • Fresh parsley chopped, for garnish (optional)

Method
 

Brown the Beef (Optional but Recommended)
  1. In a large skillet, heat the olive oil over medium-high heat. Add the beef stew meat in batches (do not overcrowd the pan) and brown on all sides. Remove the browned beef and place it in the slow cooker. If you prefer to skip this step, you can add the raw beef directly to the slow cooker.
Sauté Aromatics
  1. In the same skillet (if you browned the beef), add the chopped onion and cook until softened, about 5-7 minutes. Add the minced garlic and cook for another minute until fragrant. Transfer the onion and garlic mixture to the slow cooker with the beef.
Combine Ingredients in Slow Cooker
  1. Add the condensed cream of mushroom soup, condensed cream of potato soup, beef broth, dried thyme, dried rosemary, salt, and black pepper to the slow cooker. Stir well to combine all the ingredients with the beef and aromatics. Add the cubed potatoes and frozen mixed vegetables to the slow cooker and gently stir to ensure they are well coated in the soup mixture.
Cook to Perfection
  1. Cover the slow cooker and cook on low for 6-8 hours or on high for 3-4 hours, or until the beef is fork-tender and the potatoes are soft. The cooking time may vary slightly depending on your slow cooker. Stir occasionally during the last hour of cooking to prevent sticking and ensure even cooking.
Serve and Enjoy
  1. Once cooked, give the casserole a final stir. Taste and adjust seasonings if necessary. Serve hot, garnished with fresh chopped parsley if desired. This casserole is a complete meal on its own, but it also pairs wonderfully with a side of crusty bread or a simple green salad.

Notes

Cut beef and potatoes evenly. Don’t overfill slow cooker. Thicken sauce with cornstarch if needed. Can vary vegetables. Add cheese for extra flavor. Freezes well.

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