This Duchess Potato Casserole takes the refined flavor and creamy texture of classic duchess potatoes and transforms them into a family-style dish that’s perfect for holidays or weeknight dinners. Rich, smooth mashed potatoes are piped or spooned into a casserole dish, baked until golden and crisp on top, and infused with the subtle notes of garlic, Parmesan, and nutmeg.
Why You’ll Love This Recipe
Velvety and Rich – Creamy mashed potatoes elevated with just the right amount of butter and milk.
Golden and Crispy Top – The edges bake to a light crust while the inside stays soft and luscious.
Perfect for Entertaining – Beautiful presentation and easy to make ahead.
Simple Ingredients, Gourmet Feel – Pantry staples with an elevated twist.
Ingredients
- 2 lbs Yukon Gold or Russet potatoes, peeled and cubed
- 2 tbsp unsalted butter
- ½ cup skim or 2% milk, warmed
- ¼ cup grated Parmesan cheese
- 2 large egg yolks
- 1 garlic clove, minced
- ¼ tsp ground nutmeg
- Salt and black pepper, to taste
- Cooking spray or a small amount of oil for greasing the casserole dish
Instructions
1. Boil the Potatoes
Place potatoes in a large pot, cover with water, add salt, and bring to a boil. Cook until fork-tender (about 15 minutes). Drain well.
2. Mash Until Smooth
Mash the potatoes until smooth and lump-free. Stir in butter, warmed milk, Parmesan, minced garlic, nutmeg, salt, and pepper. Allow the mixture to cool slightly before adding the egg yolks. Mix well.
3. Assemble in Casserole Dish
Preheat oven to 400°F (200°C). Lightly grease a baking dish. Spoon or pipe the potato mixture into the dish evenly.
4. Bake Until Golden
Bake uncovered for 25–30 minutes, or until the top is lightly golden and set.
Nutritional Information (Per Serving)
Calories: 180
Protein: 6g
Fat: 6g
Carbohydrates: 25g
Sugar: 2g
Fiber: 2g
Tips for Success
- Use Waxy Potatoes for a Creamy Texture – Yukon Golds hold their shape well and mash smoothly.
- Don’t Skip the Egg Yolks – They help create that rich, fluffy interior and hold the casserole together.
- Subtle Garlic – Adds depth without overpowering the potatoes.
Why This Recipe Works
The combination of simple ingredients and a few extra touches—like nutmeg and Parmesan—transforms ordinary mashed potatoes into a beautiful, golden casserole that feels luxurious but remains easy to prepare. It’s an excellent side dish for a special meal or cozy dinner alike.
Duchess Potato Casserole brings a classic elegance to the dinner table. With its golden top and silky center, it’s both satisfying and visually stunning—perfect for making any meal feel like a celebration.
Duchess Potato Casserole – Elegant Comfort in Every Bite
6
servings15
minutes30
minutes180
kcalA creamy, golden-topped potato casserole inspired by classic duchess potatoes—rich, flavorful, and perfect for holidays or everyday comfort.
Ingredients
2 lbs Yukon Gold or Russet potatoes, peeled and cubed
2 tbsp unsalted butter
½ cup skim or 2% milk, warmed
¼ cup grated Parmesan cheese
2 large egg yolks
1 garlic clove, minced
¼ tsp ground nutmeg
Salt and black pepper, to taste
Cooking spray or a small amount of oil for greasing the casserole dish
Instructions
- Boil the Potatoes
Place potatoes in a large pot, cover with water, add salt, and bring to a boil. Cook until fork-tender (about 15 minutes). Drain well. - Mash Until Smooth
Mash the potatoes until smooth and lump-free. Stir in butter, warmed milk, Parmesan, minced garlic, nutmeg, salt, and pepper. Allow the mixture to cool slightly before adding the egg yolks. Mix well. - Assemble in Casserole Dish
Preheat oven to 400°F (200°C). Lightly grease a baking dish. Spoon or pipe the potato mixture into the dish evenly. - Bake Until Golden
Bake uncovered for 25–30 minutes, or until the top is lightly golden and set.
Notes
- Use Waxy Potatoes for a Creamy Texture – Yukon Golds hold their shape well and mash smoothly.
Don’t Skip the Egg Yolks – They help create that rich, fluffy interior and hold the casserole together.
Subtle Garlic – Adds depth without overpowering the potatoes.