Scalloped Tuna And Potato Casserole - cooking recipe

Ingredients

4 c. thinly sliced potatoes
1/4 c. flour
1 tsp. salt
1 (7 oz.) can tuna
3 Tbsp. butter
2 c. milk
1/8 tsp. pepper
1 c. sliced onion

Preparation

Cook potatoes, sliced, until soft in salt water.
Melt butter in top of double boiler over direct heat; stir in flour and mustard.
Add milk, salt and pepper.
Stir over boiling water until smooth and thick.
Arrange potatoes, tuna and onion in alternate layers in greased 2-quart casserole.
Pour sauce over all.
Bake at 350\u00b0 for 45 minutes.