Cheesy Spaghetti Bake

Directions

1. 1
   Preheat oven to 350°F Grease a 13x9-inch baking dish; set aside.
2. 2
   Boil spaghetti noodles to al dente according to package; drain.
3. 3
   While spaghetti is boiling, brown the ground beef with the onion; drain and return to skillet. Add the spaghetti sauce to the meat in the skillet.
4. 4
   Add the hot cooked, drained spaghetti to the skillet; stir well. Add salt and pepper to taste. Pour into the prepared baking dish.
5. 5
   In a saucepan, melt butter; add the flour, stirring constantly to make a roux. Slowly whisk in the evaporated milk.
6. 6
   Turn heat to low and stir in the parmesan cheese and 1/2 cup only of the mozzarella. stir constantly until melted and smooth.
7. 7
   Pour the cheese mixture evenly over the spaghetti in the 13 x 9 dish.
8. 8
   Sprinkle with the remaining 1 cup of parmesan cheese and then the oregano.
9. 9
   Bake; uncovered, for 30-35 minutes or until bubbly and starting to brown on top.