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Our Cheesy Scalloped Potatoes are a classic potato side dish that is chock full of flavor, cheese, onions, and potatoes. Perfect for a holiday meal or a special Sunday family dinner.

Closeup on a single bite of Cheesy Scalloped Potatoes on a fork over the casserole dish of the rest of the potatoes.

When we are making a hearty “meats and potatoes” type of meal we often pull out this yummy recipe for Cheesy Scalloped Potatoes. Super flavorful and chock full of potatoes and melted cheese sauce this one is a crowd-pleaser. This is a great side dish for a holiday meal or a special family dinner and easier to make than you might think. Enjoy!

Ingredients you will need

All the ingredients you will need to make Cheesy Scalloped Potatoes including milk, onions, salt and pepper, grated cheese, potatoes, butter, garlic and flour.

How to Make Scalloped Potatoes

Collage image showing how to slice the potatoes and make the rue for the cheese sauce.

Step 1: Peel the potatoes and slice them into 1/4″ round slices with a Mandolin and finely chop the onion and garlic.
Step 2: Melt the butter over medium heat in a pan.  Add in the onion and garlic and cook until the onions are translucent.
Step 3: Add the flour to the pan and stir and until combined.
Step 4: Pour in the milk and cook, stirring occasionally, until the mixture thickens.

Collage image showing how to make the cheese sauce.

Step 5: Stir in 2 1/2 cups of the shredded cheese.
Step 6: Stir until mixed. (Save the other 1/2 cup for the top of the casserole.)

How to Assemble for the oven

Collage image showing the steps for arranging the layers of potatoes and cheese sauce.

Step 7: Spray a 9×13″ baking pan with cooking spray. Add a single layer of potatoes in the pan and Salt and Pepper to taste.
Step 8: Add a layer of the cheese sauce.
Step 9: Repeat this process until you have three layers of potatoes and cheese sauce.
Step 10: Cover the pan with aluminum foil and bake in an oven pre-heated to 400 degrees for 60 minutes.  Remove the foil at the 60-minute mark. Continue to cook for 30 more minutes. At the 80 minute mark, open the oven and sprinkle the remaining 1/2 cup of cheese on the top of the casserole. Cook 10 more minutes.

Closeup on the corner of a white casserole dish filled with Cheesy Scalloped Potatoes with a wood spoon getting a spoonful of the potatoes.

Step 11: The Cheesy Scalloped Potatoes should be served hot but you should let the casserole rest for 10-15 minutes before serving so it can set up a bit.  The leftovers will keep in the refrigerator in an air-tight container for up to a week.  

Expert Tips and FAQ’s

What kind of potatoes work best in this recipe?

We use Russet Potatoes sliced super thin with a Mandolin slicer.

What kind of cheese can I use?

We use Cheddar Cheese but use your favorite or any combination of your favorite cheeses.  Monterey Jack, Asiago, Colby or Blue Cheese would also taste great.

Close up on a white plate filled with Cheesy Scalloped Potatoes and a fork sitting in front of a casserole dish with the rest of the potatoes.

Other Potato Side Dish Recipes you will love

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Cheesy Scalloped PotatoesPrint

Cheesy Scalloped Potatoes

Yield 10-12 servings
Prep Time 25 minutes
Cook Time 1 hour 30 minutes
Total Time 1 hour 55 minutes

Our Cheesy Scalloped Potatoes are a classic potato side dish that is chock full of flavor, cheese, onions and potatoes. Perfect for a holiday meal or a special Sunday family dinner.

Ingredients

  • 4 medium Russet Potatoes (peeled and sliced into 1/4" rounds)
  • 2 cups White Onion (finely chopped)
  • 4 tablespoons Butter
  • 1 tablespoon Garlic (minced)
  • 4 tablespoons All-Purpose Flour
  • 2 cups Milk
  • 3 cups Cheddar Cheese (grated)

Instructions

  1. Peel the potatoes and slice them into 1/4" round slices with a Mandolin.
  2. Finely chop the onion and garlic.
  3. Melt the butter over medium heat in a pan.  Add in the onion and garlic and cook until the onions are translucent.
  4. Add the flour to the pan and stir and until combined.
  5. Pour in the milk and cook, stirring occasionally, until the mixture thickens.
  6. Stir in 2 1/2 cups of the shredded cheese and stir until mixed. (Save the other 1/2 cup for the top of the casserole.)
  7. Spray a 9x13" baking pan with cooking spray.
  8. Add a single layer of potatoes in the pan.
  9. Salt & Pepper to taste.
  10. Add a layer of the cheese sauce.
  11. Repeat this process until you have three layers of potatoes and cheese sauce.
  12. Cover the pan with aluminum foil and bake in an oven pre-heated to 400 degrees for 60 minutes.
  13. Remove the foil at the 60 minute mark.
  14. Continue to cook for 30 more minutes.
  15. At the 80 minute mark, open the oven and sprinkle the remaining 1/2 cup of cheese on the top of the casserole. Cook 10 more minutes.
  16. Allow to rest for 10-15 minutes before serving.

Did you Make this Recipe? Leave a review below, then snap a picture and tag @twosisterscrafting on Instagram so we can see it!

© Two Sisters Crafting
Cuisine: American / Category: Savory