HAM AND MACARONI CASSEROLE

1 c. macaroni
1/2 c. chopped onion
1/3 c. chopped celery
3 tbsp. butter
2 tbsp. flour
1 1/4 c. milk
1 can cream of chicken soup
1 1/2 c. diced ham

Cook macaroni as directed on package. Cook onion and celery in butter until tender, about 10 minutes. Add flour and blend. Add milk and cook over low heat, until thick, stirring constantly. Stir in chicken soup. Add remaining ingredients. Pour into greased 1 1/2 quart casserole. Garnish with almonds, if desired. Bake at 350 degrees for 30 minutes. (This recipe is good with chicken, turkey or tuna, omit ham.)