This Barefoot Contessa mustard roasted potatoes recipe is crispy and savory, made with Yukon Gold or red potatoes, caramelized onions, and whole-grain mustard. It’s an easy side dish for weeknight dinners or holiday meals, ready in about 1 hour.
Barefoot Contessa Mustard Roasted Potatoes Ingredients
- 2½ pounds small red or Yukon Gold potatoes
- 2 yellow onions, peeled and thinly sliced
- 3 tablespoons good olive oil
- 2 tablespoons whole-grain mustard
- 2 teaspoons kosher salt
- 1 teaspoon freshly ground black pepper
- 1/4 cup chopped fresh flat-leaf parsley
How To Make Barefoot Contessa Mustard Roasted Potatoes
- Preheat the oven: Set oven to 425°F to ensure potatoes roast evenly.
- Prep the vegetables: Cut potatoes into halves or quarters. Slice onions into thin half-moons.
- Season and toss: On a sheet pan, combine potatoes and onions with olive oil, mustard, salt, and pepper. Toss until evenly coated.
- Roast the potatoes: Roast for 50–60 minutes, stirring every 20 minutes, until golden brown and tender.
- Finish and serve: Sprinkle with parsley and serve hot.

Recipe Tips
- Best potatoes to use: Yukon Gold or red potatoes roast evenly and have creamy interiors.
- How to get crispy edges: Roast in a single layer without overcrowding the pan.
- Can I make this ahead? Roast potatoes can be reheated at 400°F for 10–15 minutes.
- Can I add more mustard? Yes, add an extra tablespoon for a bolder flavor.
What To Serve With Mustard Roasted Potatoes
These potatoes pair perfectly with:
- Roasted chicken or turkey
- Grilled steak or pork chops
- Salmon or other baked fish
- Fresh green salads or roasted vegetables
How To Store Mustard Roasted Potatoes
Refrigerate: Store in an airtight container for up to 3 days; reheat in the oven for best texture.
Freeze: Not recommended, as potatoes lose texture when frozen.
Mustard Roasted Potatoes Nutrition Facts
- Calories: 300 kcal
- Protein: 5g
- Carbohydrates: 50g
- Fat: 10g
- Fiber: 5g
- Sodium: 600mg
Nutrition information is estimated and may vary based on ingredients and cooking methods used.
FAQs
Can I use Dijon mustard instead of whole-grain?
Yes, Dijon works well but will give a smoother flavor and coating.
Do I have to peel the potatoes?
No, leave the skins on for texture and extra nutrients.
Can I add other vegetables?
Yes, carrots or parsnips roast beautifully alongside the potatoes.
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Barefoot Contessa Mustard Roasted Potatoes
Description
Crispy roasted potatoes with caramelized onions and whole-grain mustard — an easy side dish packed with flavor.
Ingredients
Instructions
- Preheat oven to 425°F.
- Cut potatoes into halves or quarters; slice onions.
- Toss potatoes and onions with olive oil, mustard, salt, and pepper on a sheet pan.
- Roast 50–60 minutes, stirring every 20 minutes, until golden and tender.
- Sprinkle with parsley and serve hot.
