Slow Cooker Scalloped Potatoes 🥔🧀

These Slow Cooker Scalloped Potatoes are creamy, tender, and loaded with rich cheesy flavor. Thinly sliced potatoes slowly cook in a savory cream sauce until perfectly soft—an easy side dish for holidays, family dinners, or Sunday meals.

Prep Time: 20 minutes
Cook Time: 5–6 hours
Total Time: About 6 hours 20 minutes
Servings: 8

Ingredients

• 3 lbs (1.4 kg) Yukon Gold or Russet potatoes, thinly sliced
• 1 medium onion, thinly sliced
• 3 cloves garlic, minced
• 3 tbsp butter
• 3 tbsp all-purpose flour
• 2 cups milk
• 1 cup heavy cream
• 1½ cups shredded cheddar cheese
• ½ cup grated Parmesan cheese
• 1 tsp salt
• ½ tsp black pepper
• 1 tsp garlic powder
• 1 tsp dried thyme
• ½ tsp smoked paprika (optional)
• 2 tbsp chopped fresh parsley

Optional Add-Ins

• 6 slices cooked bacon, crumbled
• 1 cup diced ham
• ½ cup sour cream
• Extra cheese for topping

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Instructions

1. Prepare the Potatoes

• Wash and thinly slice potatoes (about ⅛-inch thick).
• Do not rinse after slicing—the starch helps create a creamy sauce.

2. Make the Cream Sauce

1. Melt butter in a saucepan over medium heat.
2. Add garlic and cook for 30 seconds.
3. Whisk in flour and cook for 1 minute.
4. Slowly whisk in milk and cream.
5. Simmer until slightly thickened, about 3–5 minutes.
6. Stir in:
   • Salt
   • Pepper
   • Garlic powder
   • Thyme
   • Smoked paprika

Remove from heat and mix in Parmesan cheese.

3. Layer in Slow Cooker

Grease a 6-quart slow cooker.

Layer:

1. Potatoes
2. Onion slices
3. Cream sauce

Repeat layers until ingredients are used.

4. Slow Cook

• Cover and cook on LOW for 5–6 hours.
• Potatoes are ready when tender when pierced with a fork.

5. Add Cheese

During the last 20–30 minutes, sprinkle cheddar cheese over the top. Cover until melted.

Garnish with fresh parsley before serving.

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Tips for Perfect Scalloped Potatoes

• Slice potatoes evenly so they cook at the same rate.
• A mandoline slicer makes thin, uniform slices.
• Avoid opening the slow cooker frequently—it releases heat and increases cooking time.
• Yukon Gold potatoes give a naturally creamy texture.
• For extra richness, add a little cream cheese to the sauce.

Serving Suggestions

Perfect with:

• Roast beef or prime rib
• Slow cooker pot roast
• Grilled chicken
• Pork chops
• Ham
• Green beans or roasted vegetables

Storage

• Refrigerator: Store leftovers covered for up to 4 days.
• Reheat: Warm gently in the oven at 350°F (175°C) or microwave individual portions.

A comforting, creamy potato dish that practically cooks itself! 🥔✨