Cheesy Ham Potato Casserole - cooking recipe

Ingredients

2 Tbsp. onion
1/4 c. butter, melted
1/4 c. all-purpose flour
1 tsp. salt
1/2 tsp. dry mustard
1 1/2 c. milk
2 c. shredded cheese, divided
2 c. cooked ham
6 c. cooked potatoes

Preparation

Saute onion in butter in a large saucepan until tender.
Add flour and seasonings. Cook 1 minute, stirring constantly. Gradually add milk.
Cook over medium heat, stirring constantly until thick.
Add 1/2 cup cheese, stirring until cheese melts. Add ham and potatoes. Spoon into greased 2-quart shallow baking dish. Bake uncovered at 350\u00b0 for 25 minutes. Sprinkle with remaining cheese.