Au Gratin Potatoes

Prep: 15 min Cook: 30 min Serves: 6 Cuisine: American

Au Gratin Potatoes are a comforting and creamy side dish featuring tender layers of potatoes and sweet, caramelized onions, all topped with a sprinkle of parsley. This dish is perfect for family gatherings or weeknight dinners, offering a delightful blend of flavors that everyone will love.

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Ingredients

  • 4 medium potatoes
  • 2 Tbsp oil
  • 4 medium onions
  • 2 tsp garlic powder
  • 1/2 tsp salt
  • 1/2 tsp black pepper
  • 1/2 c skim milk
  • parsley flakes

Instructions

  1. Spray a 2-quart shallow baking dish with cooking spray and set aside.
  2. Cover potatoes with cold water in a pot and bring to a boil.
  3. Cook until potatoes are tender, about 10 minutes.
  4. Drain and set aside.
  5. While potatoes are cooking, heat oil over medium heat in a large nonstick skillet.
  6. Add onions and garlic; cook until onions are softened and beginning to brown, about 15 minutes.
  7. Spread a thin layer of potatoes in the baking dish, then add salt, pepper, and onion mixture.
  8. Repeat layers, ending with onions.
  9. Pour in milk and sprinkle with parsley flakes on top.
  10. Bake in a preheated oven at 400° for about 20 minutes, until potatoes are slightly brown.

Tips & Substitutions

For extra flavor, consider adding grated cheese between the layers or mixing in some cooked bacon. You can substitute regular milk with almond or oat milk for a dairy-free version. If you're short on time, pre-cooked or microwaveable potatoes can be a convenient alternative. Always taste and adjust seasoning as needed.

Serving Suggestions

These Au Gratin Potatoes pair beautifully with a simple green salad or as a side dish to a protein like grilled chicken or steak. They also complement dishes like Swiss Vegetable Medley for a hearty vegetarian meal. For a complete dinner, serve alongside Cheese Roll-Ups for added variety.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in a preheated oven at 350°F for about 15-20 minutes until heated through. You can also use a microwave, but the oven will help maintain the texture of the potatoes.

Nutrition & Diet Analysis (per serving)

Each serving of Au Gratin Potatoes contains roughly 621 calories, with 13g protein, 103g carbohydrates, and 23g fat. It is an excellent source of dietary fiber (75% of the Daily Value), iron (48% of the Daily Value), and potassium (45% of the Daily Value). It also contributes 21g of dietary fiber toward your daily target.

621 kcal 31% DV
Protein Fat Carbs

Macronutrients

Protein 13g 26% DV
Total Fat 23.3g 30% DV
Carbs 102.7g 37% DV
Fiber 21.1g 75% DV
Sugar 9.8g 20% DV

Electrolytes

Sodium 407.2mg 18% DV
Potassium 2105mg 45% DV
Cholesterol 1.2mg

Vitamins & Minerals

Vitamin A 55.6mcg 6% DV
Vitamin C 20.2mg 22% DV
Vitamin D 0.3mcg 2% DV
Calcium 392mg 30% DV
Iron 8.6mg 48% DV
Diet fit High-fiber
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use different types of potatoes for this recipe?

Yes, you can use different potatoes such as Yukon Gold or red potatoes. Just ensure they are of similar size for even cooking. Each type will lend its own flavor and texture, so feel free to experiment based on your preference.

How can I make this recipe gluten-free?

This recipe is naturally gluten-free as it does not contain wheat products. Just ensure your cooking spray and any additional toppings, such as cheese, are certified gluten-free. This way, everyone can enjoy this delicious dish without worry.

Can I make this dish ahead of time?

Absolutely! You can prepare the layers a day in advance and store them in the refrigerator. When you're ready to bake, simply pour in the milk and bake as instructed. This makes it a great option for dinner parties or busy weeknights.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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