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Creamy Au Gratin Potatoes Recipe

I love some good Au Gratin Potatoes. These Creamy Au Gratin Potatoes are my most favorite. They are so easy to make and only require a few simple ingredients. You will love them.
Prep Time15 minutes
Cook Time1 hour 40 minutes
Total Time1 hour 55 minutes
Course: Side Dish
Cuisine: American, French
Keyword: Au Gratin Potatoes, cheesy potatoes, Creamy Au gratin potatoes, Easy potatoes
Servings: 8 people
Calories: 286kcal

Ingredients

  • 3 Tablespoons butter
  • 3 Tablespoons flour
  • ½ teaspoon salt
  • ½ teaspoon garlic powder
  • 2 cups milk
  • 2 cups shredded sharp cheddar cheese
  • 4 russet potatoes sliced
  • ½ onion diced
  • salt and pepper to taste

Instructions

  • Preheat oven to 400 degrees F.
  • Spray an 8 x 11 inch casserole dish with non-stick cooking spray.
  • In a medium-size saucepan, melt butter over medium heat.
  • Mix in the flour, salt, and garlic powder and stir constantly with a whisk for one minute.
  • Stir in milk.
  • Cook until mixture has thickened.
  • Stir in cheese all at once, and continue stirring until melted, about 30 to 60 seconds.
  • Layer 1/2 of the potatoes into the bottom of the prepared casserole dish and season with salt and pepper.
  • Top with the diced onions, then pour half of the cheese mixture on top of the onions.
  • Layer the rest of the potatoes, season with salt and pepper, and top with the remaining cheese sauce.
  • Cover the dish with aluminum foil and bake for 80-90 minutes (I usually remove the foil for the last 15 minutes so that the top can brown just a little bit).

Nutrition

Calories: 286kcal | Carbohydrates: 25g | Protein: 12g | Fat: 16g | Saturated Fat: 10g | Trans Fat: 1g | Cholesterol: 47mg | Sodium: 390mg | Potassium: 569mg | Fiber: 2g | Sugar: 4g | Vitamin A: 514IU | Vitamin C: 7mg | Calcium: 290mg | Iron: 1mg