1/3 c. butter
3 tbsp. flour
1 1/2 c. milk
1 c. sharp Cheddar cheese, shredded
1 c. diced ham
3 c. cooked potatoes, sliced

In large saucepan over medium heat, melt 3 tablespoons butter, stir in flour until smooth. Gradually add milk, stirring constantly until mixture thickens and bubbles. Add cheese, cook and stir until it melts. Gently stir in ham and 2 cups potatoes.

Pour into casserole dish. Arrange remaining potato slices on top. Melt remaining butter and brush over potatoes. Bake at 400 degrees until hot and bubbly (approximately 20 minutes). Serves 4-6.