Tasty Baked Mac n Cheese

Ingredients

  • 1 (16 ounce) package elbow macaroni
  • ½ teaspoon salt
  • ¾ cup butter, softened - divided
  • 1 cup sour cream
  • 1 tablespoon cream cheese, softened
  • 1 (8 ounce) package shredded sharp Cheddar cheese
  • 1 egg yolk
  • 2 tablespoons all-purpose flour
  • ½ teaspoon salt
  • ½ teaspoon ground cayenne pepper
  • 1 cup milk
  • 1 (8 ounce) package shredded mild Cheddar cheese

Directions

  • Preheat oven to 375 degrees F (190 degrees C). Line a 9x13-inch baking dish with parchment paper.
  • Bring a large pot of water to a boil. Cook elbow macaroni in the boiling water, stirring occasionally until almost cooked through and firm to the bite, about 7 minutes. Drain and transfer to a large bowl. Sprinkle macaroni with 1/2 teaspoon salt and stir 1/2 cup butter into the pasta.
  • Mix 1/4 cup butter, sour cream, cream cheese, sharp Cheddar cheese, and egg yolk together in a bowl. Stir flour, 1/2 teaspoon salt, cayenne pepper, and milk into the sour cream mixture.
  • Spread 1/4 cup sour cream sauce over bottom of prepared baking dish. Stir remaining sour cream sauce into macaroni. Pour macaroni into baking dish atop sauce layer; sprinkle mild Cheddar cheese over the casserole.
  • Bake in the preheated oven until heated through and cheese topping has melted, about 15 minutes.