This is a great recipe for your tailgating event! Comfort food that will keep you warm during the game!
Preheat oven to 350°.
Cook pasta according to the package directions, omitting salt. Drain. Mix warm pasta with Butter to coat.
Heat a Dutch oven over medium-high heat and add vegetable oil. Add onion and carrot, and sauté 4-5 minutes. Add garlic; sauté 1-2 minutes. Add ground beef; cook until browned, stirring to crumble. Add tomato sauce, salt and pepper. Cook until most of liquid evaporates.
Add pasta to beef mixture in pan, stirring to combine. Spoon pasta mixture into an 9″ x 13″ inch baking dish coated with cooking spray.
Place milk, flour, nutmeg, and salt in a medium saucepan; stir with a whisk until blended. Cook over medium heat 2 minutes or until thickened, stirring constantly with a whisk. Add 1 cup cheese, stirring until smooth. Pour cheese mixture over pasta mixture; stir. Top evenly with remaining 1 cup cheese. Bake at 350° for 20-25 minutes or until lightly browned.