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Loaded Potatoes Au Gratin – Can Be Made Dairy Free with Substitutions!

Delicious enough on their own, these Loaded Potatoes au Gratin are also perfect with a roasted turkey at Easter or Thanksgiving!

What’s better than cheesy regular potatoes au gratin? Loaded potatoes au gratin of course! Delicious on their own or served with roasted turkey at Easter or Thanksgiving these loaded potatoes au gratin can even be made dairy free if you substitute the milk, cheese and sour cream with delicious alternatives.

loaded potatoes au gratin in a bowl

loaded potatoes au gratin in handled bowl

Loaded Potatoes au Gratin

Yield: 4
Prep Time: 15 minutes
Cook Time: 1 hour 10 minutes
Total Time: 1 hour 25 minutes

Delicious enough on their own, these Loaded Potatoes au Gratin are also perfect with a roasted turkey at Easter or Thanksgiving! 


  • ¼ cup butter
  • ½ onion diced
  • ¼ cup flour
  • 2 cups milk
  • 1 cup sour cream
  • ½ lb bacon, cooked and crumbled
  • 2 cups cheddar, shredded
  • ½ cup parmesan, shredded
  • 4 potatoes, peeled and sliced


  1. Preheat oven to 350 degrees.

Make Sauce

  1. In a large saucepan, saute onions in butter. sauteing onions in butter in non-stick pan
  2. When onions are soft, slowly add flour.
  3. Slowly whisk in milk and sour cream. stir in milk and sour cream
  4. Stir in bacon and 1 ½ c cheddar cheese. add bacon and cheese

Put Casserole Together

  1. Layer ½ potatoes in a casserole dish and cover with half sauce
  2. Add rest of potatoes and cover with the rest of the sauce in pan ready to cook
  3. Sprinkle rest of cheddar and parmesan on top
  4. Cover with aluminum foil and bake for 30 minutes
  5. Remove foil and bake additional 25 minutes
  6. Broil 5 minutes until top is golden
  7. Enjoy! cheesy potatoes au gratin in pan


These are delicious made dairy free too if you can get unsweetened almond milk (or another substitute) and dairy free sour cream and cheese. Plus you can use turkey or chicken bacon if you want to avoid pork too! 

cheesy potatoes au gratin in pan

cheesy potatoes with bacon and chives

loaded potatoes au gratin in a single dish

What sides do you make at Easter and Thanksgiving?

I'd love it if you'd share:

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I'd love to chat with you in the comments!


  1. Miz Helen says

    Your post is featured on Full Plate Thursday this week, and we pinned it to our Features board. Enjoy your weekend and your new Red Plate!
    Miz Helen

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