Parmesan Penne - cooking recipe

Ingredients

1 lb ground beef
1 medium onion, chopped
1 (28 ounce) can tomato sauce
1 cup grated parmesan cheese, divided
1/2 teaspoon ground allspice
salt and pepper
1/2 cup butter or 1/2 cup margarine, divided
1/4 cup all-purpose flour
2 cups milk
2 eggs, beaten
1 (16 ounce) package penne pasta, cooked and drained

Preparation

In a skillet, cook beef and onion until meat is browned; drain.
Stir in tomato sauce, 1/3 cup Parmesan cheese, allspice, salt and pepper.
Bring to a boil.
Reduce heat; simmer, uncovered, for 15 minutes.
In a saucepan, melt 1/4 cup butter.
Stir in flour until smooth.
Gradually add milk; bring to a boil; cook and stir for 2 minutes or until thickened and bubbly.
Stir in 1/3 cup Parmesan cheese.
Remove from heat.
Add eggs; whisk until smooth.
In a bowl, combine pasta and remaining Parmesan cheese.
Melt remaining butter; add to pasta and toss to coat.
Spread 1/3 of meat mixture in a greased 13x9 inch casserole dish.
Layer with half of the pasta, 1/3 of meat mixture, and half of the white sauce; repeat.
Bake, uncovered, at 350 degrees for 40-45 minutes or until thoroughly heated and bubbly.