Bring a large pot of salted water to a boil. Add the macaroni noodles and boil for 20 minutes, no that is not a typo, cook this pasta for 20 minutes.

Drain the macaroni and set aside.

Meanwhile, make the cheese sauce. In a large pot over medium heat melt your butter. Whisk in the flour, salt and paprika, stirring constantly.

To that add your milk a little at a time, whisking it in completely before adding more.

Once all the milk has been added, whisk for 1-2 minutes until the sauce is thick.

In a small bowl place your egg yolk. Add a spoonful of the hot milk mixture to the egg yolk and immediately whisk together.

Add the egg yolk mixture to the pot of the milk mixture and whisk in.

Turn the heat down to low and begin to add your cheese.Tear the american cheese into pieces and add to the pot. Add in half of the cheddar and all of the italian blend.

Stir to combine and melt the cheeses.

When the cheese is all melted and smooth add in the noodles.Stir gently until everything is combined.

Place the macaroni and cheese in a 9×13-inch baking dish.

Top the macaroni and cheese with the other half of the cheddar cheese.

Place under the broiler of your oven until just browned. Do not take your eyes off of it or it will burn!

Once the cheese is browned remove from the oven and serve!