01 -
Grease a 9x13-inch baking dish with butter or cooking spray. Preheat the oven to 375° F.
02 -
Cook pasta in a large pot of boiling salted water according to package directions for al dente. Drain the pasta and return it to the cooking pot.
03 -
In a bowl, combine the sharp cheddar and sharp white cheddar cheeses.
04 -
Melt the butter in a medium saucepan over medium heat. Once melted, whisk in the flour. Continue whisking until lightly browned, about 1-2 minutes. Gradually whisk in the milk and cook, whisking often, until the mixture begins to thicken, about 5 minutes. Remove from heat.
05 -
Whisk in the salt, pepper, paprika, and garlic powder. Gradually stir in half of the cheese until it melts completely.
06 -
Pour the prepared cheese sauce over the pasta and stir to combine.
07 -
Pour half of the pasta with cheese sauce into the baking dish and sprinkle on one-third of the remaining cheese. Top with the remaining pasta, and sprinkle the remaining cheese evenly over the top.
08 -
Bake in the preheated oven for 15-20 minutes, uncovered, until hot and bubbly and the cheese is melted on top.