Cube cheese. Cook potatoes in boiling water to cover for 30 minutes or until tender. Drain and let cool.
Peel potatoes; cut into 1/4 inch slices. Layer potatoes and next 4 ingredients in a well greased 12 x 8 x 2 inch baking dish; set aside. Melt butter in a saucepan; add flour and cook 1 minute, stirring constantly, until thickened and bubbly. Add cheese; stir until melted and pour over potatoes. Cover with aluminum foil. Bake at 350 for 30 minutes; uncover and bake 15 minutes. Remove from oven; let stand 5 minutes. From