Wisconsin Holiday Mac and Cheese

Instructions

1. Heat oven 400°F.
2. Cook pasta according to package directions until al dente; drain.
3. Meanwhile, melt 1/2 cup butter in a Dutch oven over medium-low heat. Whisk in flour until light brown. Gradually whisk in milk and salt. Bring to a boil; cook and whisk for 2 minutes or until thickened.
4. Reduce heat to low. Gradually whisk in the cheddar, havarti and asiago until melted. Remove from the heat. Stir in pasta. Season with pepper to taste.
5. Spoon pasta mixture into a greased 13 x 9-inch baking dish. Melt remaining butter; toss with bread crumbs. Sprinkle crumb mixture and rosemary if desired over top. Bake for 25-30 minutes or until topping is golden brown.