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    Home » Recipes » Christmas

    Loaded Scalloped Potatoes with Bacon

    Published: Jun 29, 2025 by Andrea · This post may contain affiliate links · Leave a Comment

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    These loaded scalloped potatoes with bacon are creamy, cheesy, and so delicious! They're easy to make with basic ingredients and the ultimate side dish for any occasion!

    Loaded scalloped potatoes with bacon in a white baking dish with a metal serving spoon in it.
    Jump to:
    • Why you’ll love this recipe
    • Ingredients
    • Step-by-Step Instructions
    • Storage and Leftovers
    • Helpful Tips
    • Frequently Asked Questions
    • Related Recipes
    • 📖 Recipe
    • 💬 Comments

    I'm telling you, these scalloped potatoes are going to be your family's new favourite side dish (say goodbye to boring roasted potatoes and hello to creamy, cheesy, loaded potatoes)!

    My mom's old fashioned potatoes are so good that I decided to make this loaded version! It's a similar recipe, but this one has caramelized onions and loads of crispy bacon pieces in it! They're so yummy, and my boyfriend and I can never stop ourselves from getting seconds... sometimes even thirds.

    Why you’ll love this recipe

    • Crowd-pleasing: Your family will love them, and your dinner guests will be asking you for this recipe!
    • Easy to make: Simple steps that anyone can follow without any hassle in the kitchen.
    • Perfect for any occasion: Whether it's Thanksgiving, Christmas, Easter, or a casual weeknight, these potatoes are going to be the best side dish to any dinner recipe or meal!

    Ingredients

    • Potatoes (russet or white potatoes work best)
    • Bacon (this recipe uses actual bacon, but if you're looking for a short cut you could also use bacon bits (ready/pre-cooked bacon crumble)
    • Onion (white or yellow will work in this recipe)
    • Butter
    • Salt & Pepper
    • All-Purpose Flour
    • Milk (2%)
    • Sharp Cheddar Cheese (gruyere also tastes yummy but any cheese will work)

    See the recipe card below for the ingredient measurements. 

    Step-by-Step Instructions

    Step 1 - Prepare: Preheat the oven to 350°F and grease an 8x8 baking dish with cooking spray.

    Step 2 - Fry: Add the bacon slices to a pan over medium to high heat and cook until crispy. Once cooked, keep the oil in the pan and transfer the bacon to a plate lined with paper towel. Once cooled, chop into small pieces. Next, sauté the onions in the bacon oil over low to medium heat until they are caramelized (soft and translucent).

    Bacon frying in a pan.
    Onions cooking in a pan.

    Step 3 - Make the cream sauce (roux): While the onions are cooking, make the roux. Add the butter to a small pot on low heat. Once the butter melts, add the salt, pepper, and flour and stir until smooth. Increase the heat to high and add the milk, a ½ cup at a time, stirring constantly. Once it reaches a boil, boil for 1-2 minutes and continue stirring until thick. Then, remove the pot from the heat.

    Roux ingredients in pot.
    Roux boiling in a pot.

    Step 4 - Layer the potatoes: Add a layer of the potatoes to the baking dish, slightly overlapping, then add ⅓ of the cream sauce, ⅓ of the onions, and ⅓ of bacon. Repeat this step two more times and then evenly sprinkle the cheddar cheese on top.

    Sliced of potatoes distributed in a white baking dish.
    Roux distributed over potatoes in a white baking dish.
    Caramelized onions distributed over the roux and potatoes in a white baking dish.
    Bacon distributed over the potatoes, roux and caramelized onions in a white baking dish.

    Step 5 - Bake the potatoes: Bake for 45 minutes covered and 15 minutes uncovered until the cheese starts to look golden.

    Cheese sprinkled on top of the scalloped potatoes.
    Baked scalloped potatoes in a white baking dish.

    Storage and Leftovers

    Store any leftovers covered tightly with tin foil or plastic wrap in the fridge for up to one week. Leftovers can be reheated uncovered in the oven at the same temperature until warm or in the microwave on a microwave-safe plate.

    Helpful Tips

    • If you're using tin foil to cover the potatoes with to bake, spray the underside of the tin foil with cooking spray to keep the cheese from sticking to the tinfoil during baking.
    • Thinly slice the potatoes to ensure they cook through. I just use a knife, but you may consider using a mandolin to help slice them thin!
    • Cook the bacon until it's very crispy, as the texture will taste better when it's firmer.
    • The heavier the milk percentage the creamier the potatoes will be and the easier it'll be to make the roux. This recipe works with 2% but it also works with half and half (10%).
    • You know the roux is ready when it's thickened.
    • The onions caramelize and soften easier when you cook them on low.

    Frequently Asked Questions

    Why is my roux not thickening?

    This may happen if the ratios of fat (butter) and flour are off or if it hasn't boiled/simmered long enough.

    How to thicken roux?

    Usually if it's not thickening, it just needs to simmer longer. If that doesn't work then you can make a slurry with cornstarch and water to thicken it.

    Why are my scalloped potatoes runny?

    The potatoes need time to rest and set up after baking. You should wait at least 10-15 minutes before serving.

    Spoon in a bowl of loaded scalloped potatoes.

    Related Recipes

    If you like these loaded scalloped potatoes, then you should also try my mom's old fashioned scalloped potatoes.

    Some other delicious and easy potato side dishes you may like are these roasted baby potatoes, dill pickle potato salad, red skin garlic mashed potatoes, and the no egg potato salad.

    Print

    📖 Recipe

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    Loaded scalloped potatoes with bacon in a white baking dish with a metal serving spoon in it.

    Loaded Scalloped Potatoes with Bacon


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    • Author: Andrea
    • Total Time: 1 hour 10 minutes
    • Yield: 4-6
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    Description

    These loaded scalloped potatoes with bacon are a cheesy and delicious side dish for any meal on any occasion!


    Ingredients

    Units
    • Russet Potatoes: Approx. 2 lbs (5 medium potatoes), thinly sliced
    • Bacon: 8 slices
    • Onion: 1, thinly sliced
    • Butter: ¼ cup
    • Salt: ¾ teaspoon
    • Pepper: ¼ teaspoon
    • Flour: 3 tablespoons
    • Milk: 2.5 cups
    • Cheddar Cheese, shredded: 1.5 cups

    Instructions

    1. Prepare: Preheat the oven to 350°F and grease an 8x8 baking dish with cooking spray.

    2. Fry: Add the bacon slices to a pan over medium to high heat and cook until crispy. Once cooked, keep the oil in the pan and transfer the bacon to a plate lined with paper towel. Once cooled, chop into small pieces. Next, sauté the onions in the bacon oil over low to medium heat until they are caramelized (soft and translucent).

    3. Make the cream sauce (roux): While the onions are cooking, make the roux. Add the butter to a small pot on low heat. Once the butter melts, add the salt, pepper, and flour and stir until smooth. Increase the heat to high and add the milk, a ½ cup at a time, stirring constantly. Once it reaches a boil, boil for 1-2 minutes and continue stirring until thick. Then, remove the pot from the heat.

    4. Layer the potatoes: Add a layer of the potatoes to the baking dish, slightly overlapping, then add ⅓ of the cream sauce, ⅓ of the onions, and ⅓ of bacon. Repeat this step two more times and then evenly sprinkle the cheddar cheese on top.
    5. Bake the potatoes: Bake for 45 minutes covered and 15 minutes uncovered until the cheese starts to look golden.

    Equipment

    Image of 8x8 Baking Dish

    8x8 Baking Dish

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    Mandolin

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    Image of Measuring Spoons & Cups

    Measuring Spoons & Cups

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    Notes

    If you're using tin foil to cover the potatoes with to bake, spray the underside of the tin foil with cooking spray to keep the cheese from sticking to the tinfoil during baking.

    Thinly slice the potatoes to ensure they cook through. I just use a knife, but you may consider using a mandolin to help slice them thin!

    Cook the bacon until it's very crispy, as the texture will taste better when it's firmer.

    The heavier the milk percentage the creamier the potatoes will be and the easier it'll be to make the roux. This recipe works with 2% but it also works with half and half (10%).

    You know the roux is ready when it's thickened.

    The onions caramelize and soften easier when you cook them on low.

    Nutrition facts are for informational purposes only. We are not responsible for any errors. We have tested the recipe for accuracy, but your results may vary. Please note that this is not medical or nutrition advice. Seek advice from a licensed professional if you need advice. We are not liable for any damages caused by your use of this content.

    • Prep Time: 10 minutes
    • Cook Time: 1 hour
    • Category: lunch, dinner, side dish
    • Method: bake
    • Cuisine: american

    Did you make this recipe?

    Do you have questions? Did you enjoy it? I'd love to hear from you in the comment section below!

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    Hi & Welcome!

    I'm Andrea, the recipe developer, food photographer, blogger, and creator of Cup of Flour. Here I share all my tried and true recipes, all made with basic ingredients. I'm so happy you're here!

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