Cheesy Potatoes With Onions Recipe

Creamy, cheesy, and utterly irresistible! This oven-baked potato casserole is comfort food at its finest. Perfectly seasoned potatoes and onions are layered with melted cheese and a creamy, dreamy sauce, then baked to golden perfection. Get ready for a side dish that will steal the show!

Prep Time 20 mins
Cook Time 55 mins
Calories 538.1 kcal
Protein 41g
Rating Be the first
Cheesy Potatoes With Onions 74

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

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

Ingredients for Cheesy Potatoes With Onions

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How to Make Cheesy Potatoes With Onions

  1. Preheat oven to 400°F (200°C).
  2. Butter a 13 x 9-inch baking dish.
  3. Peel and thinly slice 2 lbs russet potatoes. Cook the sliced potatoes in boiling salted water for 5 minutes. Drain well.
  4. Thinly slice 1 large yellow onion.
  5. Layer one-third of the partially-cooked potatoes in the bottom of the prepared baking dish. Top with one-third of the onion slices and one-third of 1 lb shredded cheddar cheese.
  6. Sprinkle with salt and pepper (to taste). Repeat layers two more times.
  7. Sprinkle the remaining shredded cheddar cheese over the top layer.
  8. In a medium heavy saucepan, melt 2 tablespoons of butter over low heat.
  9. Whisk in 2 tablespoons of all-purpose flour and a pinch of cayenne pepper. Cook for 1 minute, stirring constantly.
  10. Slowly whisk in 1 ½ cups of milk. Continue whisking until the sauce is smooth, bubbly, and thickened.
  11. Pour the creamy sauce evenly over the cheese and potato layers.
  12. Bake for 35-40 minutes, or until the potatoes are tender and the top is golden brown and bubbly.
  13. Let stand for 10 minutes before serving. Enjoy!

Nutrition Information (Approximate per serving)

Sodium

29 g

Sugar

48g

Fat

82g

Carbs

18g

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Frequently Asked Questions

How long does it take to make Cheesy Potatoes With Onions?

Cheesy Potatoes With Onions takes about 75 minutes from start to finish — roughly 20 minutes to prepare and 55 minutes to cook.

How many calories are in Cheesy Potatoes With Onions?

Cheesy Potatoes With Onions has approximately 538.1 calories per serving, with about 41 g protein, 18 g carbohydrates and 41 g fat.

What ingredients do I need for Cheesy Potatoes With Onions?

The key ingredients for Cheesy Potatoes With Onions are Russet Potatoes, Onions, Process American Cheese, Salt And Pepper, Cheddar Cheese, Butter. See the full list with measurements above.

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