Au Gratin Hash Browns Potatoes Recipe

This ridiculously easy Au Gratin Hash Brown Potato recipe was a potluck sensation! Get ready for rave reviews – it's fast, simple, and unbelievably delicious. Crispy, cheesy perfection in under an hour! Perfect for brunch, a side dish, or even a comforting weeknight meal.

Prep Time 20 mins
Cook Time 75 mins
Calories 423.8 kcal
Protein 22g
Rating Be the first
Au Gratin Hash Browns Potatoes 261

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Au Gratin Hash Browns Potatoes

  • 2 lbs frozen hash brown potatoes
  • 1 large onion, chopped
  • 1/2 cup half-and-half
  • Margarine (0 quantity; recipe uses 1/2 cup butter)
  • American Cheese (0 quantity; recipe uses 2 cups shredded cheddar and 1/2 cup grated Parmesan cheese)
  • Cottage Cheese (0 quantity; recipe uses 1 (10 3/4 ounce) can condensed cream of mushroom soup and 1 cup sour cream)
  • 1/2 cup butter, melted
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 (10 3/4 ounce) can condensed cream of mushroom soup
  • 1 cup sour cream
  • 2 cups shredded cheddar cheese, divided
  • 1/2 cup grated Parmesan cheese

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How to Make Au Gratin Hash Browns Potatoes

  1. Preheat oven to 350°F (175°C).
  2. Melt butter in a large skillet over medium heat. Add the chopped onion and cook until softened, about 5 minutes.
  3. Add the shredded potatoes, salt, and pepper to the skillet. Cook, stirring occasionally, until the potatoes are tender and lightly browned, about 10-15 minutes.
  4. Stir in the milk (or half-and-half).
  5. Pour the potato mixture into a greased 9x13 inch baking dish.
  6. Sprinkle the cheddar and Parmesan cheese evenly over the top.
  7. Bake for 30-40 minutes, or until the cheese is melted and bubbly and the potatoes are heated through and slightly crispy on top.
  8. Let stand for 5-10 minutes before serving. Enjoy!

Nutrition Information (Approximate per serving)

Sodium

28 g

Sugar

9g

Fat

48g

Carbs

10g

Frequently Asked Questions

How long does it take to make Au Gratin Hash Browns Potatoes?

Au Gratin Hash Browns Potatoes takes about 95 minutes from start to finish — roughly 20 minutes to prepare and 75 minutes to cook.

How many calories are in Au Gratin Hash Browns Potatoes?

Au Gratin Hash Browns Potatoes has approximately 423.8 calories per serving, with about 22 g protein, 10 g carbohydrates and 43 g fat.

What ingredients do I need for Au Gratin Hash Browns Potatoes?

The key ingredients for Au Gratin Hash Browns Potatoes are Hash Brown Potatoes, Onion, Half And Half, Margarine, American Cheese, Cottage Cheese. See the full list with measurements above.

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