Crock Pot Scalloped Potatoes Recipe

Introduction

Scalloped potatoes are a comforting classic, and making them in a crock pot means you can set it and forget it. This recipe layers tender Yukon gold potatoes with onions and a creamy cheddar sauce, resulting in a deliciously cheesy and satisfying side dish.

The image shows a creamy potato gratin in a black slow cooker pot. The dish has thin layers of yellow and light golden potato slices arranged closely with melted creamy cheese in between. The top layer is slightly browned and crispy on the edges, while the inside looks soft and creamy with visible black pepper and small green herb pieces sprinkled on top. A wooden spoon with a white handle is resting on the side inside the pot, partially covered by the creamy potatoes. The background is a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

Ingredients

  • 3 lbs Yukon gold potatoes (about 6, sliced 1/8″ thick)
  • 1 onion (thinly sliced)
  • 3 cups whole milk
  • 3 Tbsp heaping cornstarch
  • 2 Tbsp prepared yellow mustard
  • 2 1/2 tsp salt
  • 3/4 tsp black pepper
  • 8 oz white cheddar cheese (grated)

Instructions

  1. Step 1: Grease the inside of your crock pot with oil or cooking spray to prevent sticking.
  2. Step 2: Layer one-third of the sliced onions, potatoes, and grated cheese inside the crock pot. Repeat this layering two more times, finishing with potatoes and cheese on top.
  3. Step 3: In a large measuring cup, whisk together the milk, cornstarch, yellow mustard, salt, and black pepper until smooth.
  4. Step 4: Pour the milk mixture evenly over the layered potatoes and cheese.
  5. Step 5: Cover and cook on high for 3 to 4 hours, or until the potatoes are tender and the sauce is golden and bubbly.
  6. Step 6: Once done, unplug the crock pot and let the scalloped potatoes rest for 20 minutes before serving to thicken up the sauce.

Tips & Variations

  • Use Yukon gold potatoes for their buttery flavor and creamy texture; russet potatoes can become too mushy.
  • For extra flavor, add minced garlic or a pinch of smoked paprika into the milk sauce.
  • Swap white cheddar for sharp cheddar or a blend of cheeses such as Gruyère and Parmesan for a richer taste.
  • If you prefer a thicker sauce, increase the cornstarch by 1 teaspoon.

Storage

Store leftover scalloped potatoes in an airtight container in the refrigerator for up to 3 days. Reheat covered in the microwave or oven until warmed through. Adding a splash of milk when reheating helps maintain creaminess.

How to Serve

A close-up view of creamy scalloped potatoes in a dark cooking pot, showing several thin layers of light yellow potato slices covered with a thick, smooth white sauce. The top layer is golden-brown and bubbly around the edges, with small green herb pieces sprinkled lightly on top. A wooden spoon with a white handle rests on the side of the pot, slightly covered in the creamy sauce. The background is a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I make this recipe ahead of time?

Yes, you can assemble the layers and refrigerate the crock pot insert overnight. Add the milk sauce just before cooking to ensure the best texture.

Can I use low-fat milk instead of whole milk?

Whole milk provides the creamiest result, but you can substitute 2% milk. Avoid skim milk, as it may result in a thinner sauce and less rich flavor.

Print
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Crock Pot Scalloped Potatoes Recipe


  • Author: Zoe
  • Total Time: 3 hours 50 minutes
  • Yield: 6 servings 1x
  • Diet: Vegetarian

Description

This Crock Pot Scalloped Potatoes recipe features tender Yukon gold potatoes layered with onions and white cheddar cheese, cooked slowly in a creamy milk sauce infused with mustard and seasonings. The slow cooker method creates a comforting, golden bubbly dish perfect for a cozy side or hearty meal.


Ingredients

Scale

Potatoes and Vegetables

  • 3 lbs Yukon gold potatoes (about 6, sliced 1/8″ thick)
  • 1 onion (thinly sliced)

Sauce

  • 3 cups whole milk
  • 3 Tbsp heaping cornstarch
  • 2 Tbsp prepared yellow mustard
  • 2 1/2 tsp salt
  • 3/4 tsp black pepper

Cheese

  • 8 oz white cheddar cheese (grated)

Instructions

  1. Prepare the Crock Pot: Grease the inside of your crock pot with oil or cooking spray to prevent sticking.
  2. Layer Ingredients: Begin layering the potatoes, onions, and grated white cheddar cheese in the crock pot. Start with 1/3 of the onions, 1/3 of the potatoes, and 1/3 of the cheese. Repeat this layering two more times, ending with a top layer of potatoes and cheese.
  3. Make the Milk Sauce: In a large measuring cup or bowl, combine whole milk, heaping cornstarch, prepared yellow mustard, salt, and black pepper. Whisk thoroughly until the cornstarch is completely dissolved and mixture is smooth.
  4. Pour Sauce Over Layers: Evenly pour the prepared milk sauce over the layered potatoes, onions, and cheese in the crock pot.
  5. Cook: Cover and cook on high heat for 3 to 4 hours, or until the potatoes are tender when pierced with a fork and the sauce is golden and bubbly.
  6. Rest Before Serving: Once cooking is complete, unplug the crock pot and allow the scalloped potatoes to rest for 20 minutes. This helps the sauce thicken and the flavors to meld before serving.

Notes

  • For uniform cooking, slice the potatoes evenly at about 1/8 inch thickness.
  • You can substitute yellow cheddar or a blend of cheeses if desired.
  • Use whole milk for a richer sauce; 2% milk can be used as a lighter alternative.
  • Do not skip the resting time, as it allows the dish to set properly and improves flavor.
  • Leftovers can be stored in an airtight container in the refrigerator for up to 3 days and reheated gently.
  • Prep Time: 20 minutes
  • Cook Time: 3 hours 30 minutes
  • Category: Side Dish
  • Method: Slow Cooking
  • Cuisine: American

Keywords: crock pot scalloped potatoes, slow cooker potatoes, creamy scalloped potatoes, Yukon gold potatoes, cheesy potatoes, easy side dish

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