Chicken Casserole - cooking recipe

Ingredients

1 (4 to 5 lb.) hen, cooked and picked off bone
1 (8 oz.) pkg. cooked macaroni
1 small can chopped mushrooms
1 small can sliced pimentos
1/2 lb. cheese, cubed
1 (10 oz.) pkg. frozen peas
3 c. chicken broth
1 c. milk
1/2 ??? flour

Preparation

Make a white sauce of the last 3 ingredients and stir into the remaining ingredients.
Pour into casserole and top with crushed corn flakes or potato chips.
Bake at 350\u00b0 for about 1 hour or until brown and bubbly all through.