Ingredients
Method
- Preheat oven to 350 degrees. Prepare baking dish by spraying cooking spray generously on bottom and sides.
- Parboil potatoes whole for approx. 15 minutes.
- Slice potatoes ¼” thin, and layer ½ of the potatoes into the bottom overlapping slightly.
- In a large pan, melt the butter. Add flour, and whisk until smooth. Cook roux for approx. 2 minutes. Add milk slowly, avoiding lumps.
- Add both cheeses, and cook until melted and smooth.
- Add ½ cheese mixture to the potatoes
- Add the rest of the potatoes in one layer overlapping each other
- Place the rest of the cheese mixture on top, spreading evenly
- Sprinkle reserved cheddar cheese on top.
- Bake at 350 degrees for 45 minutes to one hour, or until the top is slightly browned and bubbly.