Potato Souffle

Prep: 10 min Cook: 30 min Serves: 4 Cuisine: American

Potato Souffle offers a light, fluffy texture with savory onion and rich butter flavors. Perfect as a comforting side dish or brunch option, it combines leftover mashed potatoes with a delicate souffle topping, appealing to those who enjoy hearty, flavorful, and easy-to-make comfort foods.

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Ingredients

  • 4 Tbsp. chopped onion
  • 3 Tbsp. melted butter
  • 1 cup milk
  • 2 Tbsp. flour
  • salt and pepper to taste
  • 2 eggs, separated
  • 3 cups leftover mashed potatoes

Instructions

  1. Brown chopped onion in melted butter.
  2. Add flour to the onion mixture and cook briefly.
  3. Gradually add milk, stirring constantly to make a sauce.
  4. Mix egg yolks into the sauce and combine with mashed potatoes.
  5. Fold in beaten egg whites gently into the potato mixture.
  6. Pour the mixture into a greased baking dish.
  7. Bake in a preheated oven at 350°F (175°C) for about 25 to 30 minutes until puffed and golden.

Tips & Substitutions

For a creamier texture, use half-and-half instead of milk. If you don't have leftover mashed potatoes, you can quickly make fresh ones. Substitute the onion with shallots for a milder flavor. To enhance the dish, consider adding grated cheese or herbs like chives or parsley. This potato souffle pairs beautifully with Excellent Cheese Biscuits for a delightful meal.

Serving Suggestions

Serve the potato souffle warm as a side dish with roasted meats or as a light main course with a fresh salad. It also makes a great brunch item. For a complete meal, pair it with Cream Of Asparagus Soup for a comforting experience.

Storage & Reheating

Store any leftover potato souffle in an airtight container in the refrigerator for up to 3 days. To reheat, place in a preheated oven at 350°F (175°C) for about 15-20 minutes, or until heated through. Avoid microwaving, as it may make the souffle lose its light texture.

Nutrition & Diet Analysis (per serving)

Each serving of Potato Souffle contains roughly 542 calories, with 5g protein, 46g carbohydrates, and 38g fat. It is a good source of protein (10% of the Daily Value). Note that it is relatively high in sodium, at 2003mg per serving (87% of the Daily Value).

542 kcal 27% DV
Protein Fat Carbs

Macronutrients

Protein 5.2g 10% DV
Total Fat 37.6g 48% DV
Carbs 46.4g 17% DV
Fiber 2.4g 9% DV
Sugar 3.7g 7% DV

Electrolytes

Sodium 2003.1mg 87% DV
Potassium 407.7mg 9% DV
Cholesterol 104.1mg 35% DV

Vitamins & Minerals

Vitamin A 9.4mcg 1% DV
Vitamin C 5.1mg 6% DV
Vitamin D 0mcg
Calcium 54.7mg 4% DV
Iron 1.6mg 9% DV
Contains Milk Egg Wheat/Gluten

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 make the souffle ahead of time?

Yes, you can prepare the potato mixture a day in advance and store it in the refrigerator. However, it's best to fold in the beaten egg whites just before baking to maintain the souffle's airy texture.

What can I substitute for eggs in this recipe?

You can use flaxseed meal or aquafaba (chickpea brine) as an egg substitute. For each egg, use 1 tablespoon of flaxseed meal mixed with 2.5 tablespoons of water, or 3 tablespoons of aquafaba. This will help bind the ingredients.

How do I know when the souffle is done?

The souffle is done when it has puffed up and is golden brown on top. A toothpick inserted in the center should come out clean. Keep an eye on it to prevent overbaking, which can cause it to deflate.

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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