• prep: 40 min
• cook: 1 hr
• total: 1 hr 40 min

servings:

Creamy, cheesy macaroni with a light, crunchy topping: This is the macaroni and cheese that dreams are made of. A hit of ground mustard brings an unexpected kick to this guaranteed crowd pleaser.

• 2 tablespoons unsalted butter, plus more for baking dish
• 2 tablespoons extra-virgin olive oil
• 2 cups panko (Japanese breadcrumbs)
• 2 large garlic cloves, minced
• 2 ounces finely grated Parmesan (about 1/2 cup)
• 1/2 teaspoon kosher salt
• 2 teaspoons kosher salt, plus more
• 1 pound dried elbow macaroni
• 1/2 cup (1 stick) unsalted butter
• 6 tablespoons all-purpose flour
• 4 cups whole milk
• 3/4 cup heavy cream
• 1/2 teaspoon ground white pepper
• 1 1/2 tablespoons mustard powder
• 16 ounces coarsely grated extra-sharp cheddar (about 6 cups)
• 2 ounces grated Parmesan (about 1/2 cup)
• 9- by 13-inch baking dish

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