DA’s Baked Au Gratin Potatoes (Vegetarian, Family Recipe)

These delicious baked au gratin potatoes are one of my dad’s speciality recipes! Creamy and delicious, these cheesy potatoes are great along any protein.  A special-ocassion staple, and something my DA still makes really well!

Au Gratin Potatoes were always a treat to have on the table! And to this day, I make them for special ocassions.  I do have an old family recipe for au gratin potatoes posted here, but I updated the recipe a bit so they are more like my dad’s recipe. The main difference is that he cuts the potatoes into rounds instead of grates them.  Either way, this is one delicious recipe you’ll want to have seconds of… or thirds… or fourths 🙂

These Baked Au Gratin Potatoes Are:

  • Creamy
  • Cheesy
  • Loaded with Flavor
  • Decadent
  • Earthy
  • A great meatless holiday side recipe
  • Vegetarian and can easily be made gluten free
Au gratin potatoes are a great vegetarian holiday side dish recipe everyone will love. While these don’t have meat, they are loaded with fresh potatoes, sharp cheese, parmesan, spices, milk, and a roux to thicken. I made these for Canadian Thanksgiving that we celebrated here in Massachusetts because of the pandemic.  I’m lucky enough to live in an international household, so we get to celebrate 2 Thanksgivings each year!

What’s In These Baked Au Gratin Potatoes?

3 lbs potatoes, peeled and thinly sliced into rounds
1/2 cup butter
1/4 cup flour
8 ounces sharp shredded cheese, cheddar or gruyere
3 cups milk
1/3 cup shredded parmesan
1/2 teaspoon paprika
For this recipe, use the sharpest cheese you can find! I used a cheddar becuase that is what I had in the fridge, but next time I will definitely go gruyere. The sharpness of the cheese really flavors the potatoes, so go bold!

How Do I Make These Au Gratin Potatoes In the Oven?

  1. Preheat the oven to 350 degrees Fahrenheit.
  2. In a 13 x 9 inch baking dish, layer the sliced potatoes so they are in 3 rows.
  3. In a medium sauce pan, melt the butter. Stir in the flour and cook over low heat for 3 to 4 minutes stirring until the flour and butter have thickened. Add 2 cups of the milk and the cheddar cheese.  Stir for 4 or 5 minutes until cheese has melted.  Add the remaining cup of the milk, and stir for another minute.
  4. Pour the milk and cheddar mixture over the potatoes. Add the shredded parmesan cheese and paprika on top.
  5. Place baking dish in the oven and bake for 45 minutes or until potatoes are cooked through. To test if potatoes are cooked, pierce their centers with a fork. Then broil for an additional 2 or 3 minutes to brown the top.

As always, if you make this vegetarian baked au gratin poato recipe be sure to leave me a comment, rate this recipe, and tag me on Instagram so I can feature you.  I love seeing all your photos of my recipe recreations!

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Baked Au Gratin Potatoes

These delicious baked au gratin potatoes are one of my dad's speciality recipes! Creamy and delicious, these cheesy potatoes are great along any protein.
5 from 2 votes
Cook Time 55 mins
Total Time 55 mins
Course Side Dish
Cuisine American
Servings 8 servings

Ingredients
  

  • 3 lbs potatoes peeled and thinly sliced into rounds
  • 1/2 cup butter
  • 1/4 cup flour
  • 8 ounces sharp shredded cheese cheddar or gruyere
  • 3 cups milk
  • 1/3 cup shredded parmesan
  • 1/2 teaspoon paprika

Instructions
 

  • Preheat the oven to 350 degrees Fahrenheit.
  • In a 13 x 9 inch baking dish, layer the sliced potatoes so they are in 3 rows.
  • In a medium sauce pan, melt the butter. Stir in the flour and cook over low heat for 3 to 4 minutes stirring until the flour and butter have thickened. Add 2 cups of the milk and the cheddar cheese.  Stir for 4 or 5 minutes until cheese has melted.  Add the remaining one cup of the milk, and stir for another minute.
  • Pour the milk and cheddar mixture over the potatoes. Add the shredded parmesan cheese and paprika on top.
  • Place baking dish in the oven and bake for 45 minutes or until potatoes are cooked through. To test if potatoes are cooked, pierce their centers with a fork. Then broil for an additional 2 or 3 minutes to brown the top.
Keyword Au Gratin Potatoes in Oven, Au Gratin Potatoes with Slices, Baked Au Gratin Potatoes, Family Recipes with Potatoes, healthy potatoes
Did You Make This Recipe?Tag me @theherbeevore in your photo on Instagram so I can feature you!

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