Mac and Cheese

Ingredients

• kosher salt
• vegetable oil
• 1/2 pound macaroni cavatappi or penne, 8 ounces
• 2 1/2 cups milk
• 4 tablespoons unsalted butter divided
• 1/4 cup all-purpose flour
• 6 ounces gruyere grated, about 2 cups
• 4 ounces extra sharp cheddar grated, about 1 cup
• 1/4 teaspoon ground black pepper freshly
• 1/4 teaspoon ground nutmeg
• 3/4 cup bread crumbs fresh white, 2-3 slices, crusts removed and torn into ¼” pieces