01 -
Turn on your oven and heat it to 375°F (190°C).
02 -
Melt the butter in a large skillet on medium-high heat, then whisk in the flour. Keep stirring for a couple of minutes.
03 -
Slowly add the milk and heavy cream, whisking the whole time to avoid lumps.
04 -
Toss in some salt, pepper, and garlic powder. Let it gently bubble for 3-5 minutes, stirring now and then, until it thickens a little. Remember, the cheese will bring in extra saltiness.
05 -
Add the white cheddar, mozzarella, Monterey Jack, and Parmesan gradually. Stir until they’re fully melted and blended in.
06 -
Take your cooked pasta and stir it into the cheesy mixture. Coat it evenly, then spread the mix into a baking dish.
07 -
In a small bowl, mix together the breadcrumbs and melted butter. Spread this over the pasta layer evenly.
08 -
Put the baking dish on the middle rack and bake for about 20-25 minutes. The top should look golden and the edges should be bubbling.
09 -
Take it out of the oven and let it cool for 5-10 minutes before serving while still warm.