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    Home » Recipes » Side Dish Recipes

    Creamy Potato Bake with French Onion Soup

    Author: Peter's Food Adventures · Published: Oct 27, 2017 · Modified: Nov 3, 2021

    Jump to Recipe Jump to Video

    Everyone loves an easy recipe, especially if it tastes amazing! Creamy Potato Bake with French Onion Soup are so easy to make and full of flavor, and only uses 4 ingredients! If you love potatoes, then this is the perfect side dish. Potatoes are such a staple in our western diet. Love serving this with French Onion Soup Meatloaf!

    Potato Bake with French Onion Soup is creamy, cheese scalloped potato casserole that only uses 4 ingredients. So easy to make, yet packed full of flavor
    preparing french onion mix into whipping cream
    pouring cream over french onion potatoes

    This is my creamy Potato Bake for 8 recipe! I suppose it depends on how much you eat. By right portion size, this will feed 8, but you're going to want to have seconds, so maybe 6 is a better amount.

    I love the flavors in this recipe, a Potato Bake with French Onion Soup recipe. It was our friend Bec who had us over for dinner and made this for us, and I had to share and blog it! An easy recipe with potatoes with French Onion soup. I love an easy recipe that tastes great too.

    How to Make an Easy Potato Bake

    Everyone looks for time saving tips when making dinner. All you need is a dry French Onion Soup packet from your grocery store. Mix that with whipping cream and pour over your sliced potatoes. Then add grated cheese. This is not diet food, but should be renamed Heart Attack Potatoes. That doesn't have a very marketable name, everyone is so healthy and vegan these days!

    Creamy Au Gratin Potatoes

    Creamy Potato Bake vs Scalloped Potatoes and even Potatoes Au Gratin are all very similar dinner side dishes. Au Gratin typically has a cheesy bread-y topping, and quite often only with cheese. Scalloped Potatoes are just usually cooked in cream. This Au Gratin Potato Bake with French Onion Soup is a combination of the two. In the video I use a Monterrey Jack Cheese, but you can add any cheddar cheese you like. I also call this my French Onion Scalloped Potatoes, so if you're confused, you're not alone!

    Recipe Tips

    • Pre-slice the potatoes the night before and keep in the fridge, immersed in cold water
    • Remember to rest the potatoes when taken out of the oven, this allows the dish to solidify and not be too "soupy" - Rest for 10-15 minutes (don't worry, they will still be hot)
    • Caramelize some sliced onions to place on top of the potatoes when cooking, or add homemade onion jam
    • Instead of using only whipping cream, you can add 1 cup of sour cream with 1 cup of whipping cream for a different flavor.
    • The thickness of the sliced potatoes can impact your cooking time. Slice them as thin as you can or increase cooking time for thicker sliced potatoes.
    Potato Bake with French Onion Soup is creamy, cheese scalloped potato casserole that only uses 4 ingredients. So easy to make, yet packed full of flavor

    Potato Side Dishes

    • Garlic Mashed Potatoes (if you don't like garlic, keep moving...)
    • Creamy Scalloped Potatoes (with garlic and parmesan)
    • Moroccan Roast Potatoes (oven and air fryer instructions)
    • Twice Baked Potatoes (stuffed with bacon and cheese)
    • Russian Potato Bake called Veal Orloff (with thin veal steaks)
    • Russian Style Pan Fried Potatoes (don't make hash browns, make this!)
    • Garlic Butter Potatoes (tossed or a rustic dipping style)

    Creamy Potato Bake with French Onion Soup is a cheap and easy recipe to make, and even though it's a heart attack on a plate, it's sure to be a family favorite! It's my favourite Potato Casserole that's a perfect for holidays and your weeknight dinner. Just remember to go for a jog afterwards. Bon Appetit! Приятного аппетита!

    Potato Bake with French Onion Soup is creamy, cheese scalloped potato casserole that only uses 4 ingredients. So easy to make, yet packed full of flavor
    Potato Bake with French Onion Soup is creamy, cheese scalloped potato casserole that only uses 4 ingredients. So easy to make, yet packed full of flavor

    Creamy Potato Bake with French Onion Soup (Video)

    Potato Bake with French Onion Soup is creamy, cheese scalloped potato casserole that only uses 4 ingredients. So easy to make, yet packed full of flavor
    4.51 from 114 votes
    Print Recipe Pin Recipe Rate Recipe
    Prep Time: 15 minutes minutes
    Cook Time: 1 hour hour
    Resting time: 10 minutes minutes
    Total Time: 1 hour hour 25 minutes minutes
    Course: Dinner, Side Dish, Sides
    Cuisine: American
    Keyword: creamy potato bake, potato bake, potato bake french onion soup, potatoes au gratin
    Servings: 8 people
    Author: Peter's Food Adventures

    Ingredients

    • 3 lbs /1.5 kg potatoes peeled and thinly sliced
    • 2 cups whipping cream
    • 1 packet French Onion Soup mix 40g/1.4oz
    • 1 ½ cups grated cheddar cheese
    Prevent your screen from going dark

    Instructions

    • Preheat oven to 350°F/180°C fan forced.
    • Layer the sliced potatoes in a medium baking dish or casserole dish. I used 12"x7" dish.
    • In a bowl, mix together the whipping cream and the packet of French Onion Soup mix until combined. Pour over the potatoes and cover with foil.
    • Bake in the oven for 60 minutes. Remove foil, add the cheese and bake for ten minutes until golden brown. Allow to rest for 10 minutes before serving.

    Video

    Tried this recipe?Mention @petersfoodadventures or tag #petersfoodadventures!

    ©PetersFoodAdventures.com

    A creamy, cheese scalloped potato casserole that only uses 4 ingredients. So easy to make, yet packed full of flavor - French Onion Scalloped Potatoes Bake
    A creamy, cheese scalloped potato casserole that only uses 4 ingredients. So easy to make, yet packed full of flavor - French Onion Scalloped Potatoes Bake
    A creamy, cheese scalloped potato casserole that only uses 4 ingredients. So easy to make, yet packed full of flavor - French Onion Scalloped Potatoes

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    Reader Interactions

    Comments

    1. Matt

      September 10, 2026 at 1:31 am

      I have a question, I have a can of Campbell's french onion soup and instead of whipping cream can I use Half and Half? If so, please instruct me on how to do this? I would like to make this recipe, but I am over an hour away from a grocery store. Can I use what I have and if so - how?

      Reply
      • Peter's Food Adventures

        September 10, 2026 at 10:16 pm

        Hi Matt, sorry I can't recommend a way with your substitutions request as I have never made it like that. I am concerned it would be way too watery and not have enough flavor. My suggestion is to plan ahead next time you are near a store, and stock up with the ingredients needed. Cheers

        Reply
    2. sandra

      February 24, 2026 at 10:08 am

      5 stars
      This recipe is pure comfort food! 🥔🧀 I love how simple it is — just four ingredients and you’ve got a creamy, cheesy potato bake that’s perfect for holidays or a cozy weeknight dinner. The French onion soup mix is such a smart shortcut for adding deep flavor without extra prep. And the tip about letting it rest before serving is key — that makes all the difference for the perfect texture. Definitely one of those crowd-pleasing sides everyone goes back for seconds!

      Reply
    3. Judy Clarke

      August 24, 2025 at 5:55 pm

      Absolutely delicious. We all just love it. I use half cream and half sour cream. Tanks for the recipe

      Reply
      • Peter's Food Adventures

        August 24, 2025 at 11:59 pm

        yes! Sour Cream!!! Great tip! So creamy and flavorful, thanks for sharing!!!!

        Reply
    4. Cat

      June 10, 2025 at 3:35 am

      yummy creamy delicious potato dish!!

      Reply
    5. Linda Nathan

      January 16, 2025 at 1:03 pm

      Can I kiss the cook ...."hello Peter" he he

      Reply
    6. TATIYANNA

      November 25, 2024 at 4:18 am

      5 Stars. Everyone needs to make this. Great recipe for American Thanksgiving. I have high cholesterol so have substituted with 0% Plain Greek Yogurt. Delicious. The French onion soup does wonders. Thank you!

      Reply
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