Slow Cooker Meatball and Potato Casserole: A Comforting One-Pot Dinner That Practically Cooks Itself

When you need a hearty meal that brings together rich flavors, simple ingredients, and minimal effort, a Slow Cooker Meatball and Potato Casserole is the perfect choice. This cozy dish combines tender meatballs, creamy potatoes, savory sauce, and melted cheese into a satisfying casserole-style dinner that the whole family can enjoy.

Unlike traditional casseroles that require oven baking and multiple steps, this slow cooker version allows the ingredients to slowly develop deep flavors while you go about your day. The potatoes absorb the delicious sauce, the meatballs become incredibly tender, and every bite delivers the comforting taste of a homemade meal.

Whether you are preparing dinner for a busy weeknight, a family gathering, or simply craving a warm and filling dish, this recipe is easy to prepare and guaranteed to become a favorite.

Why You’ll Love This Slow Cooker Meatball and Potato Casserole

This recipe is loved for many reasons:

• Easy preparation: Most of the work happens before turning on the slow cooker.
• One-pot convenience: Less cleanup and fewer dishes.
• Rich and comforting flavors: A perfect combination of savory meatballs, creamy potatoes, and cheesy goodness.
• Great for leftovers: The flavors become even better the next day.
• Flexible ingredients: You can customize the sauce, vegetables, and seasonings based on what you have available.

Ingredients

For the Casserole:

• 2 pounds frozen or homemade meatballs
• 2 pounds baby potatoes, washed and cut into halves or quarters
• 1 medium onion, finely chopped
• 3 cloves garlic, minced
• 1 cup shredded mozzarella cheese
• ½ cup shredded cheddar cheese
• 1 can (10.5 ounces) cream of mushroom soup or cream of chicken soup
• 1 cup beef broth or chicken broth
• ½ cup sour cream
• 2 tablespoons tomato paste
• 1 teaspoon Italian seasoning
• 1 teaspoon paprika
• ½ teaspoon garlic powder
• ½ teaspoon onion powder
• Salt and black pepper, to taste
• 2 tablespoons chopped fresh parsley for garnish

Optional Additions:

• 1 cup sliced mushrooms
• 1 cup chopped bell peppers
• 1 cup spinach
• Crushed red pepper flakes for spice
• Extra cheese for a thicker topping

Step-by-Step Method

Step 1: Prepare the Potatoes

Start by washing the potatoes thoroughly to remove any dirt. Cut them into evenly sized pieces so they cook at the same speed.

For extra flavor, you can lightly season the potatoes with a little salt, pepper, and paprika before adding them to the slow cooker.

Place the potatoes at the bottom of the slow cooker. Since potatoes take longer to cook than the other ingredients, keeping them on the bottom allows them to soften properly.

Step 2: Prepare the Creamy Sauce

In a bowl, combine:

• Cream of mushroom or chicken soup
• Beef broth
• Sour cream
• Tomato paste
• Italian seasoning
• Garlic powder
• Onion powder
• Paprika
• A pinch of salt and pepper

Mix everything together until smooth.

This sauce creates the rich casserole texture and allows the potatoes and meatballs to absorb plenty of flavor while cooking.

Step 3: Add the Meatballs and Vegetables

Spread the chopped onion and minced garlic over the potatoes.

Add the meatballs on top. If using frozen meatballs, there is no need to thaw them first.

If you are adding mushrooms, bell peppers, or spinach, distribute them evenly around the meatballs.

The slow cooking process will allow the vegetables to soften and blend with the sauce.

Step 4: Add the Sauce

Pour the prepared sauce evenly over the meatballs and potatoes.

Do not stir too aggressively because keeping the layers helps the potatoes cook evenly.

Cover the slow cooker with the lid.

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