Step by Step Instructions

Step 1

Peel and slice the potato

Step 2

Spray the casserole with some cooking spray, set aside

Step 3

Heat up a pot over medium heat, melt the butter

Step 4

Add the flour to make a roux. Add the milk and whisk until no lumps

Step 5

Add the heavy cream

Step 6

Bring it to simmer until the sauce is starting to thicken. Remove from the heat

Step 7

Lay the potato in the bottom of the casserole, sprinkle with salt, black pepper and some cheese

Step 8

Repeat the step

Step 9

Pour the mixture in the casserole

Step 10

Place in the oven and bake it for 30-40 minutes until golden brown