Savory Slow Cooker Steak & Cheddar Potato Casserole

When you’re craving a warm, comforting meal that requires minimal effort, this savory slow cooker steak & cheddar potato casserole is your go-to. Packed with tender steak, creamy cheddar, and hearty potatoes, it’s the perfect dish to set and forget while life goes on.

this Recipe

This slow cooker casserole is a fantastic choice for busy weeknights or cozy weekends. You’ll love how the flavors meld together, creating a rich and satisfying meal that feels like a hug in every bite.

Why You’ll Love This Recipe

• Effortless slow cooker preparation lets you multitask or relax while it cooks.
• Hearty combination of tender steak, potatoes, and melted cheddar cheese for ultimate comfort.
• Perfectly balanced flavors with savory seasonings and creamy textures.
• Feeds 6-8 people, great for families or meal prepping.
• Customizable ingredients to suit your preferences or pantry staples.

Ingredients

Gather these simple ingredients to create your savory slow cooker steak & cheddar potato casserole delight.

• 1.5 pounds sirloin steak, cut into 1-inch cubes
• 3 pounds Yukon Gold potatoes, peeled and diced
• 2 cups shredded sharp cheddar cheese
• 1 medium onion, finely chopped
• 3 cloves garlic, minced
• 1 cup beef broth
• 1/2 cup sour cream
• 1/4 cup cream cheese, softened
• 2 tablespoons Worcestershire sauce
• 1 teaspoon smoked paprika
• 1 teaspoon dried thyme
• 1/2 teaspoon black pepper
• 1 teaspoon salt, divided
• 2 tablespoons olive oil
• Fresh parsley, chopped for garnish

Recipe Details

• Prep Time: 20 minutes
• Cook Time: 6 hours on low
• Total Time: 6 hours 20 minutes
• Servings: 6-8
• Calories: Approximately 450 per serving

How to Make Savory Slow Cooker Steak & Cheddar Potato Casserole Delight

1. Heat olive oil in a large skillet over medium-high heat. Season steak cubes with half the salt, pepper, smoked paprika, and thyme, then sear until browned on all sides, about 3-4 minutes. Transfer steak to the slow cooker.
2. Add diced potatoes, chopped onions, and minced garlic to the slow cooker over the steak. Pour in beef broth and Worcestershire sauce, then gently stir to combine.
3. Cover and cook on low for 5 to 6 hours, or until potatoes are tender and steak is cooked through.
4. In a small bowl, mix sour cream and cream cheese until smooth. Stir this mixture into the slow cooker along with 1 1/2 cups of shredded cheddar cheese. Mix gently to combine and let it melt into the casserole for 10-15 minutes with the lid off on low heat.
5. Sprinkle the remaining 1/2 cup cheddar cheese on top, cover briefly until melted, then garnish with fresh parsley before serving hot.

Tips for the Best Results

• Use Yukon Gold potatoes for creamy texture that holds shape well.
• Don’t skip searing the steak—it adds rich flavor and locks in juices.
• Adjust seasoning to taste before slow cooking, as flavors intensify over time.
• For extra creaminess, add a splash of heavy cream or milk when stirring in the cheeses.
• If you prefer more veggies, toss in sliced mushrooms or bell peppers during step 2.

Storage and Reheating

Store leftover casserole in an airtight container in the refrigerator for up to 4 days. Reheat individual portions in the microwave or warm the entire dish covered in a 350°F oven until heated through.

You can freeze the casserole for up to 3 months by letting it cool completely, then transferring it to a freezer-safe container. Thaw overnight in the fridge before reheating gently to preserve texture and flavor.

Frequently Asked Questions

Can I use a different cut of steak?

Yes! While sirloin is ideal for tenderness and flavor, you can use ribeye, flank, or even chuck steak. Just make sure to cut into uniform cubes and adjust cooking time if needed for tougher cuts.

Is it okay to use frozen potatoes?

Fresh potatoes work best for this casserole. Frozen potatoes can release excess moisture and become mushy during slow cooking, so they’re not recommended here.

Can I prepare this recipe in advance?

You can prep all ingredients and place them in the slow cooker insert the night before. Keep it refrigerated overnight and start cooking on low the next day for convenience.

How can I make this dish vegetarian?

For a vegetarian version, swap steak for hearty mushrooms or plant-based meat alternatives, and use vegetable broth instead of beef broth. Adjust seasonings accordingly for best flavor.