EXTRA CHEESY BAKED MAC AND CHEESE RECIPES

Steps:

• 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.

Steps:

• Preheat oven to 350°. Cook macaroni in a 6-qt. stockpot according to package directions for al dente. Drain; return to pot., In a large saucepan, melt 6 tablespoons butter over medium heat. Stir in flour until smooth; whisk in warmed milk. Bring to a boil, stirring constantly; cook and stir 2-3 minutes or until thickened., Remove from heat; stir in Gruyere and cheddar cheeses, salt, pepper and nutmeg. Add to macaroni, tossing to coat., Transfer to a greased 13x9-in. baking dish. Toss bread crumbs with Parmesan cheese and melted butter; sprinkle over casserole. Bake, uncovered, 30-40 minutes or until bubbly and top is golden brown.