Cheesy Spaghetti Bake printer

1/2   Lb. Ground Beef
1/4   Cup Chopped Onion
32    oz. spagetti sauce
6-7   oz. cooked rinsed and drained Spaghetti Noodles

Cheese Sauce
2   Tablespoons butter
1   Tablespoon Flour
1/4 tsp. salt
3/4 Cup evaporated milk

Melt butter in sauce pan. Stir in flour and aslt, add milk. Cook over medium heat until slightly thickened. Stir constantly, Add 1/2 cup shredded cheddar cheese. Stir until melted. Spread 1/2 spaghetti mixture in bottom of 10 X 6 X2 inch baking dish. Top with cheese sauce. Add remaining spaghetti mixture and top with 1/2 cup of shredded cheese. Bake at 350 degrees for 15 to 20 minutes.