Instructions

1. Preheat oven to 350°F.
2. Cook spaghetti according to package directions; drain and place in a large bowl.
3. Meanwhile, cook sausage and half of pepperoni in a large skillet over medium heat until sausage is browned and crumbly.
4. Drain and add to spaghetti. Wipe skillet clean.
5. Melt butter in same skillet over medium heat; add flour, and cook, stirring constantly, 2 minutes.
6. Gradually add milk, stirring until smooth. Cook, stirring occasionally, until thickened and bubbly.
7. Gradually stir in 3 cups cheese until melted.
8. Add to spaghetti mixture along with pasta sauce; toss.
9. Spoon mixture into a greased 10-inch springform pan; cover and bake 40 minutes.
10. Uncover; sprinkle with remaining 1 cup cheese, and top with remaining pepperoni.
11. Bake 20 minutes longer or until hot and bubbly. Let stand 10 minutes before removing sides of pan.