Ingredients
3 tablespoons extra-virgin olive oil, plus more for greasing pan
1/2 cup dijon mustard (regular or whole-grain)
2 tablespoons butter, melted
2 tablespoons fresh lemon juice
1 teaspoon lemon zest, grated
3 garlic cloves, minced
1 tablespoon dried oregano
2 tablespoons grated Parmesan cheese
1 teaspoon sea or kosher salt and fresh ground black pepper
5 cups potatoes, cut into 3/4 inch cubes
Preparation