4.7/5
(20 Votes)
Ingredients
- 1 pound Russet potatoes, washed and scrubbed
- 2 teaspoons Kosher salt
- 1/4 cup sweet onions, thinly sliced
- 1/4 teaspoon black pepper
- 1 1/2 cups cheddar cheese, shredded
- 2 tablespoons Parmesan cheese
- 1 cup heavy cream
Preparation
Step 1
Using a mandolin, cut Russet potatoes 1/4 inch slices.
Separate potatoes that may be still stuck together and in a large bowl, toss with salt.
Set aside for 5 minutes.
Preheat oven to 375 degrees.
Add to the potatoes the onions, pepper, cheddar cheese, and Parmesan cheese.
Toss thoroughly.
Spread into a large casserole dish sprayed lightly with nonstick spray. Add heavy cream and toss to ensure it's evenly spread through the casserole.
For creamier potatoes, add up to an additional 1/4 to 1/2 cup.
Bake for 1 to 1.5 hours, stirring occasionally if desired, or until potatoes are cooked.
Potatoes should be mostly soft, but still holding their shape without mashing, firm but not crunchy.
Serve warm.
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