Prepare to elevate your side dish game with these extraordinary Creamy Mustard Roasted Potatoes. Imagine perfectly golden-brown potatoes, crisp on the outside and wonderfully fluffy within, all coated in a rich, tangy, and impossibly creamy mustard sauce. This incredibly simple yet sophisticated dish transforms humble potatoes into a show-stopping accompaniment. Whether you’re planning a weeknight dinner or a special occasion, these Velvety Dijon Delight Roasted Potatoes are guaranteed to impress with their vibrant flavor profile and irresistible texture, making them a new culinary favorite.
Why You’ll Love These Velvety Dijon Delight Roasted Potatoes
These aren’t just any roasted potatoes; they are a revelation. Here’s why this recipe deserves a permanent spot in your rotation:
- Unforgettable Flavor: The combination of tangy Dijon mustard, aromatic rosemary and thyme, pungent garlic, and a hint of onion powder creates a complex, savory, and utterly addictive coating. The white vinegar and Greek yogurt add a crucial bright tang that balances the richness.
- Perfect Texture Contrast: Thanks to a precise roasting method, each potato piece achieves a beautifully crispy, golden exterior while remaining wonderfully soft and fluffy on the inside.
- Effortless Elegance: Despite their sophisticated taste and appearance, these potatoes are remarkably easy to prepare. With minimal hands-on time, you can achieve restaurant-quality results in your own kitchen.
- Versatile Appeal: They’re hearty enough to stand alongside a robust main course but refined enough to grace a holiday table. They truly fit any dining occasion.
Ingredients & Substitutions

The beauty of this dish lies in its simple yet potent ingredient list. Here’s what you’ll need and some ideas for variations:
- Yukon Gold Potatoes: These are the star for a reason. Their waxy-starchy balance yields a creamy interior and a crisp exterior that holds up well to roasting. You can substitute with red potatoes or small new potatoes, though the texture might vary slightly.
- Olive Oil: Helps achieve that gorgeous golden crispness and carries the flavors.
- Dijon Mustard: The heart of the creamy sauce, providing a distinctive tangy and subtly pungent flavor. For a slightly different twist, you could experiment with whole-grain Dijon for added texture, or even a spicier brown mustard if you enjoy more heat.
- Plain Greek Yogurt: Essential for the sauce’s luscious creaminess and delightful tang. Full-fat yogurt offers the richest texture, but low-fat works too. Sour cream is a good substitute for similar creaminess and tang. For a dairy-free option, use a plain, unsweetened dairy-free yogurt.
- White Vinegar: Brightens the flavors and enhances the tanginess of the mustard and yogurt. Lemon juice is an excellent alternative.
- Garlic: Freshly minced garlic provides the best aromatic depth. In a pinch, 1/2 teaspoon of garlic powder can be used, but fresh is highly recommended.
- Dried Rosemary & Thyme: These classic herbs lend a warm, earthy aroma that pairs perfectly with potatoes. If using fresh herbs, double the quantity (e.g., 2 teaspoons fresh rosemary, 1 teaspoon fresh thyme), finely chopped.
- Onion Powder: Adds a subtle, savory onion note without the moisture of fresh onion.
- Salt and Freshly Ground Black Pepper: Essential for seasoning and bringing all the flavors to life.
- Fresh Parsley (for garnish): Adds a pop of color and fresh herbaceousness at the end. Chives or dill would also be lovely additions.
How to Make Velvety Dijon Delight Creamy Mustard Roasted Potatoes
Creating these Creamy Mustard Roasted Potatoes is straightforward. Follow these steps for perfect results:
- Preheat Your Oven: Set your oven to 400°F (200°C). Line a large baking sheet with parchment paper. This simple step prevents sticking and makes cleanup incredibly easy.
- Whisk the Creamy Sauce: In a spacious mixing bowl, combine the olive oil, Dijon mustard, Greek yogurt, white vinegar, minced garlic, dried rosemary, dried thyme, onion powder, salt, and freshly ground black pepper. Whisk vigorously until the mixture is completely smooth and all ingredients are thoroughly combined. This creates the flavorful foundation for your potatoes.
- Coat the Potatoes: Add the cut Yukon Gold potatoes to the bowl with the creamy mustard mixture. Toss them meticulously, ensuring every single potato piece is evenly coated. A good coating is key to the delicious flavor and texture.
- Spread and Roast: Spread the coated potatoes onto the prepared baking sheet in a single layer. It’s crucial not to overcrowd the pan; this allows the potatoes to roast and crisp up beautifully rather than steam.
- Bake to Golden Perfection: Roast in the preheated oven for 35-40 minutes. Halfway through the cooking time (around 17-20 minutes), flip the potatoes to ensure even browning and crispness on all sides. Continue roasting until they are gloriously golden brown, fork-tender on the inside, and delightfully crispy on the edges.
- Garnish and Serve: Once cooked, remove the potatoes from the oven. Transfer them to a serving dish and generously garnish with fresh chopped parsley just before serving hot. Enjoy your perfect creamy mustard roasted potatoes!
Tips for Success
Achieving perfectly crisp and flavorful roasted potatoes is all about a few key techniques:
- Uniform Potato Pieces: Cut your potatoes into roughly 1-inch pieces of similar size. This ensures they cook evenly, so you don’t end up with some burnt and some undercooked.
- Don’t Overcrowd the Pan: This is perhaps the most critical tip for crispiness. Potatoes need space for moisture to evaporate. If they’re too close together, they’ll steam rather than roast, resulting in a soft, soggy texture. Use two baking sheets if necessary.
- Parchment Paper is Your Friend: Beyond easy cleanup, parchment paper helps prevent sticking, allowing the potatoes to develop a better crust.
- Hot Oven is Key: A 400°F (200°C) oven provides the high heat needed to achieve that beautiful golden-brown exterior and fluffy interior quickly.
- Flip for Evenness: Flipping the potatoes halfway through ensures all sides get a chance to brown and crisp up.
- Fresh Herbs for Garnish: While dried herbs are used in the coating, a sprinkle of fresh parsley at the end brightens the dish and adds a lovely visual appeal.
Serving Suggestions
These Velvety Dijon Delight Roasted Potatoes are versatile and pair wonderfully with a variety of main courses:
- Classic Roasts: They are an ideal companion for roasted chicken, succulent steak, or a tender beef loin (if compliant with your dietary needs).
- Fish Dishes: The tangy mustard complements flaky baked salmon or pan-seared white fish beautifully.
- Hearty Vegetarian Options: Serve them alongside a substantial lentil loaf, a robust mushroom Wellington, or a savory vegetable gratin.
- Brunch Addition: Don’t limit them to dinner! These potatoes make a fantastic side for scrambled eggs, frittatas, or quiches at brunch.
- Part of a Spread: They shine alongside other comforting sides, such as a vibrant green salad or another creamy vegetable dish like Creamy Tuscan Cabbage.
Storage & Reheating
While these potatoes are undeniably best served immediately, any leftovers can be stored and reheated:
- Storage: Allow the potatoes to cool completely, then transfer them to an airtight container. Store in the refrigerator for up to 3-4 days.
- Reheating: For the best texture, reheat in a preheated oven or an air fryer at 375°F (190°C) for about 10-15 minutes, or until heated through and starting to crisp up again. Microwaving is possible but will result in a softer texture, losing most of their initial crispness.
FAQ
What kind of potatoes are best for roasting?
Yukon Gold potatoes are highly recommended for this recipe due to their creamy texture and ability to crisp up beautifully. Russet potatoes can also be used for a very fluffy interior, but they may break down more easily. Red potatoes work well for a firmer texture.
Can I use fresh herbs instead of dried?
Absolutely! If using fresh rosemary and thyme, you’ll generally need about double the amount compared to dried herbs. Finely chop them before adding to the sauce.
Can I make this recipe dairy-free?
Yes, you can substitute the plain Greek yogurt with a plain, unsweetened dairy-free yogurt (such as almond or soy-based yogurt). Ensure it has a similar thickness to Greek yogurt for the best sauce consistency.
Why aren’t my roasted potatoes crispy?
The most common reasons for less-than-crispy potatoes are overcrowding the baking sheet (which causes steaming), an oven that isn’t hot enough, or insufficient tossing to ensure an even coating of oil and sauce. Always ensure potatoes are in a single layer and your oven is fully preheated.
Can I prepare these potatoes ahead of time?
You can cut the potatoes a few hours in advance and store them submerged in cold water in the refrigerator. Drain and dry them thoroughly before tossing with the sauce. The sauce itself can also be whisked together a day in advance and stored in the fridge, then tossed with the potatoes just before roasting.
These Velvety Dijon Delight Roasted Potatoes are more than just a side; they’re a culinary experience waiting to happen. Their effortless elegance and irresistible flavor profile make them a perfect addition to any meal. Whether you’re serving them with a simple weeknight meal or a festive gathering, they’re sure to be devoured. For another comforting and creamy dish, consider pairing them with a warming bowl of Creamy Boursin Chicken Mushroom Soup.

Velvety Dijon Delight Roasted Potatoes
Imagine perfectly golden-brown potatoes, crisp on the outside and wonderfully fluffy within, all coated in a rich, tangy, and impossibly creamy mustard sauce. This incredibly simple yet sophisticated dish elevates humble potatoes into a side that steals the show. Whether it’s a weeknight dinner or a special occasion, these creamy mustard roasted potatoes are guaranteed to impress with their vibrant flavor profile and irresistible texture, making them a new family favorite.
- Total Time: 50 minutes
- Yield: 4 servings 1x
Ingredients
- 2 lbs Yukon Gold potatoes, scrubbed and cut into 1-inch pieces
- 3 tablespoons olive oil
- 2 tablespoons Dijon mustard
- 2 tablespoons plain Greek yogurt (full-fat or low-fat)
- 1 tablespoon white vinegar
- 2 cloves garlic, minced
- 1 teaspoon dried rosemary
- 1/2 teaspoon dried thyme
- 1/2 teaspoon onion powder
- Salt and freshly ground black pepper to taste
- 2 tablespoons fresh parsley, chopped (for garnish)
Instructions
- Preheat your oven to 400°F (200°C). Line a large baking sheet with parchment paper to ensure easy cleanup and prevent sticking.
- In a spacious mixing bowl, combine the olive oil, Dijon mustard, Greek yogurt, white vinegar, minced garlic, dried rosemary, dried thyme, onion powder, salt, and freshly ground black pepper. Whisk these ingredients together until the mixture is completely smooth and well-combined.
- Add the cut Yukon Gold potatoes to the bowl containing the creamy mustard mixture. Toss thoroughly, ensuring every potato piece is evenly coated with the flavorful sauce.
- Spread the coated potatoes onto the prepared baking sheet in a single layer. Make sure they are not overcrowded, as this allows them to crisp up beautifully rather than steam.
- Roast in the preheated oven for 35-40 minutes, flipping the potatoes halfway through the cooking time. Continue roasting until they are golden brown, fork-tender on the inside, and delightfully crispy on the edges.
- Once cooked, remove the potatoes from the oven. Transfer them to a serving dish and generously garnish with fresh chopped parsley before serving hot. Enjoy your perfect creamy mustard roasted potatoes!
Notes
For the crispiest results, ensure your potatoes are cut into uniform pieces and spread them in a single layer on the baking sheet; overcrowding leads to steaming. Feel free to experiment with other fresh herbs like dill or chives for a twist. These potatoes are best served immediately but leftovers can be reheated in an oven or air fryer for best texture, though they will lose some crispness.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: Modern American
Nutrition
- Serving Size: 1 serving
- Calories: 310
- Sugar: 4g
- Sodium: 280mg
- Fat: 14g
- Saturated Fat: 3g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 38g
- Fiber: 4g
- Protein: 7g
- Cholesterol: 10mg
