Mustard Roasted Potatoes

Bahan-bahan (6 porsi)

• ½ cup whole grain Dijon mustard
• 2 tablespoons extra virgin olive oil
• 2 tablespoons butter, (melted)
• 2 tablespoons freshly squeezed lemon juice
• 3 medium garlic cloves, (minced)
• 1 tablespoon dried oregano
• 1 teaspoon finely grated lemon zest
• 1 teaspoon kosher salt
• 3 pounds (1 to 1½ inch in diameter) red and white skinned potatoes,