Spuds And Onions Au Gratin Recipe

A cheesy, comforting potato and onion gratin that will stick to your ribs! This easy-to-make recipe delivers creamy, flavorful goodness perfect for a cozy weeknight dinner or a satisfying side dish. Get ready for a taste sensation!

Prep Time 15 mins
Cook Time 50 mins
Calories 364.2 kcal
Protein 23g
Rating Be the first
Spuds And Onions Au Gratin 35

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

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

Ingredients for Spuds And Onions Au Gratin

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How to Make Spuds And Onions Au Gratin

  1. Preheat oven to 375°F (190°C).
  2. In a large oven-safe skillet or casserole dish, melt butter over medium heat.
  3. Add sliced onions and cook until softened and translucent, about 5-7 minutes.
  4. Stir in flour and cook for 1 minute, stirring constantly.
  5. Gradually whisk in milk until smooth and creamy.
  6. Bring to a simmer, stirring occasionally, until the sauce thickens slightly.
  7. Season with salt, pepper, and nutmeg (if using).
  8. Layer half of the sliced potatoes in the skillet.
  9. Pour half of the cheese sauce over the potatoes.
  10. Repeat layers with remaining potatoes and cheese sauce.
  11. Sprinkle the remaining cheddar cheese over the top.
  12. Bake for 40-50 minutes, or until the potatoes are tender and the cheese is melted and bubbly.
  13. Let stand for 5-10 minutes before serving.

Nutrition Information (Approximate per serving)

Sodium

30 g

Sugar

13g

Fat

52g

Carbs

13g

Frequently Asked Questions

How long does it take to make Spuds And Onions Au Gratin?

Spuds And Onions Au Gratin takes about 65 minutes from start to finish — roughly 15 minutes to prepare and 50 minutes to cook.

How many calories are in Spuds And Onions Au Gratin?

Spuds And Onions Au Gratin has approximately 364.2 calories per serving, with about 23 g protein, 13 g carbohydrates and 27 g fat.

What ingredients do I need for Spuds And Onions Au Gratin?

The key ingredients for Spuds And Onions Au Gratin are Russet Potatoes, Butter, Yellow Onions, Cheese Soup, Milk, Salt And Pepper. See the full list with measurements above.

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