Macaroni Tuna Casserole

1 1/2 cups macaroni raw
3 quarts of boiling water.
Cook macaroni and drain.
In sauce pan mix:
3 tbs flour
salt and pepper to taste
1 cup skim milk
Whisk all together until no lumps remain.
Heat and stir until mixture thickens and boils.
Stir in 10 ozs of chopped spinach cooked and drained.
1 6 1/2 oz can of tuna drained and flaked.
1/2 lb of ricotta cheese broken up into pieces.
Add cooked macaroni.
Put into a 2 quart casserole dish.
Sprinkle with paprika.
Cover.
Bake at 350F for 25 to 30 minutes
Makes 6 servings.