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Duchess Potatoes

Duchess Potatoes! This elegant potato side dish is both beautiful and flavorful! A perfect companion for a steak dinner or special entrée.
Prep Time10 mins
Cook Time20 mins
Boiling Time15 mins
Total Time45 mins
Course: Side Dish
Cuisine: French
Servings: 18 servings
Author: The Kitchen Prep


  • 2 pounds yellow potatoes (or potatoes of your choice) peeled & chopped
  • 5 tablespoons butter divided
  • ounces Boursin garlic & herb cheese (half of a package of Boursin cheese)
  • 3 egg yolks
  • ¼ cup whole milk


  • Fill a large pot with generously salted water. Place potatoes in pot and bring to a boil over medium-high heat for about 12-15 minutes or until the potatoes are fork tender. Drain and let potatoes cool and dry out for about 15 minutes.
  • Preheat the oven to 425 degrees and line a large baking pan with parchment paper. Set aside.
  • Place the cooked potatoes in a large bowl; add 3 tablespoons of butter, Boursin and egg yolks (I found that mine didn't need salt, but season to taste.) Mash or mix until mostly smooth, then add milk and mix until everything is smooth and fully combined.
  • Scoop the potato mixture into a large piping bag fitted with an open star tip. Pipe the mixture onto the lined baking pan into desired decorative swirls.
  • Melt remaining 2 tablespoons of butter and gently brush over piped potato mounds, careful not to flatten the swirls.
  • Bake for 20 minutes or until golden brown. Serve warm, garnished with fresh herbs if desired.


  • Cheesy Duchess Potatoes. Try using different cheeses such as Parmesan or Grana Padano in your potato mash to give the potatoes a cheesy twist. 
  • Herbed Duchess Potatoes. Finely chop some herbs and add them to the potato mixture for a fragrant punch! Rosemary, parsley, and chives are all great options.
  • Roasted Garlic Duchess Potatoes. Sweet, deeply roasted garlic turns into a paste that can be added to mashed potatoes or to the potato mixture here for an aromatic take on the recipe.
  • Duchess Potato Casserole. Instead of piping individual mounds, pipe the mixture into a baking dish for a casserole-style presentation. (You can also use the mixture on top of a dish like shepherd's pie instead of using plain mashed potatoes.) If you don't feel like messing with a piping bag, you can simply spread the potato mixture into a greased casserole dish, create swirls using the back of a spoon or the tines of a fork, and bake at 425 degrees for 30-40 minutes.