Pastitsio - cooking recipe

Ingredients

1 1/2 lb. lean ground beef
1 c. chopped onion
1 (16 oz.) can tomatoes, cut up
1 (6 oz.) can tomato paste
1 tsp. dried thyme
1 (8 oz.) box elbow macaroni
4 eggs, separated
1/2 c. cubed Cheddar cheese
1/2 c. butter or margarine
1/2 c. flour
1/2 tsp. ground cinnamon
4 c. milk

Preparation

Brown beef and onion together in a large frying pan.
Drain off any fat.
Add undrained tomatoes, tomato paste and thyme.
Add 1 teaspoon salt, if desired.
Simmer, covered, 30 minutes.