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Slow Cooker Potato and Onion Bake

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Slow Cooker Potato and Onion Bake

Description

Slow Cooker Potato and Onion Bake is the ultimate comfort food made with simple pantry staples and rich homemade flavor. Thinly sliced potatoes and sweet onions are layered in a slow cooker with savory seasonings, butter, broth, and melted cheese, then cooked low and slow until perfectly tender. As the dish cooks, the onions soften and develop a naturally sweet flavor while the potatoes absorb all the delicious seasonings and creamy goodness. This hearty recipe is ideal as a side dish for family dinners, holiday meals, potlucks, or even as a satisfying vegetarian main course. Best of all, the slow cooker does most of the work, making this recipe incredibly easy to prepare while filling your kitchen with an irresistible aroma.

Ingredients

Main Ingredients

  • 6 medium Yukon Gold or Russet potatoes, thinly sliced
  • 2 large onions, thinly sliced
  • 3 tablespoons butter, melted
  • 1 cup chicken broth or vegetable broth
  • 1½ cups shredded cheddar cheese

Seasonings

  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 1 teaspoon garlic powder
  • 1 teaspoon dried thyme
  • ½ teaspoon paprika

Optional Creamy Mixture

  • ½ cup sour cream
  • ½ cup heavy cream

Optional Garnish

  • Chopped fresh parsley
  • Sliced green onions
  • Extra shredded cheese

Step-by-Step Instructions

Step 1: Prepare the Slow Cooker

Lightly grease the inside of your slow cooker with butter or nonstick cooking spray.

Step 2: Slice the Potatoes and Onions

Wash the potatoes thoroughly and peel if desired. Slice the potatoes and onions into thin, even slices to ensure consistent cooking.

Step 3: Season the Potatoes

Place the sliced potatoes in a large bowl. Add melted butter, salt, pepper, garlic powder, thyme, and paprika. Toss until evenly coated.

Step 4: Create the Layers

Arrange a layer of seasoned potatoes in the bottom of the slow cooker. Add a layer of onions and a sprinkle of shredded cheese. Continue layering potatoes, onions, and cheese until all ingredients are used.

Step 5: Add the Liquid

Pour the broth evenly over the layered ingredients. If using the creamy mixture, whisk together the sour cream and heavy cream, then drizzle over the top.

Step 6: Slow Cook

Cover with the lid and cook on LOW for 5–6 hours or HIGH for 3–4 hours, until the potatoes are fork-tender.

Step 7: Add Final Cheese Layer

About 20 minutes before serving, sprinkle the remaining cheese over the top. Cover and continue cooking until the cheese melts completely.

Step 8: Rest and Serve

Turn off the slow cooker and allow the dish to rest for 10 minutes before serving. Garnish with parsley or green onions if desired.

Tips & Notes

  • Yukon Gold potatoes provide a buttery flavor and creamy texture.
  • Russet potatoes create a softer casserole-like consistency.
  • For extra flavor, add cooked bacon pieces between the layers.
  • A mandoline slicer helps create evenly thin potato slices.
  • Avoid opening the lid frequently during cooking, as this releases heat.
  • Freshly shredded cheese melts more smoothly than pre-shredded cheese.

Servings

  • Serves: 6–8

Nutritional Information (Per Serving, Approximate)

  • Calories: 310
  • Protein: 9g
  • Carbohydrates: 34g
  • Fat: 16g
  • Saturated Fat: 9g
  • Fiber: 3g
  • Sugar: 3g
  • Sodium: 450mg

Health Benefits

Good Source of Complex Carbohydrates

Potatoes provide long-lasting energy and are naturally rich in potassium.

Contains Antioxidants

Onions contain beneficial plant compounds that support overall wellness.

Comforting and Filling

The combination of potatoes, cheese, and onions creates a satisfying dish that keeps you feeling full.

Easy Family Meal

Made with affordable ingredients and simple preparation.

Versatile Side Dish

Pairs beautifully with chicken, beef, pork, fish, or vegetable-based meals.

Frequently Asked Questions

Can I make this recipe ahead of time?

Yes. Assemble everything in the slow cooker insert the night before and refrigerate until ready to cook.

Can I use sweet potatoes?

Absolutely. Sweet potatoes add natural sweetness and additional nutrients.

How should I store leftovers?

Store leftovers in an airtight container in the refrigerator for up to 4 days.

Can I freeze this dish?

Yes. Cool completely before freezing in airtight containers for up to 2 months.

What cheese works best?

Cheddar is the most popular choice, but Gruyère, Monterey Jack, mozzarella, or Colby also work well.

What can I serve with Potato and Onion Bake?

It pairs wonderfully with roasted chicken, grilled steak, pork chops, meatloaf, sausages, or a fresh garden salad.

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