Step 1

Preheat oven to 350.

Step 2

Peel potatoes.

Step 3

Cut in half lengthwise and slice potatoes.

Step 4

Butter baking dish/pan and layer in potatoes. Sprinkle in half of the diced onion.

Step 5

Melt butter in saucepan, sprinkle in the flour and cook on medium heat until bubbly.

Step 6

Sprinkle in salt, pepper, cayenne and garlic powder. Add milk.

Step 7

Stir until thickened and close to boil.

Step 8

Take off heat and add cheese.

Step 9

Stir until cheese is smooth and melted.

Step 10

Pour half the cheese sauce over first layer of potatoes.

Step 11

Add the remaining potatoes and diced onions to dish.

Step 12

Pour the remaining sauce over the top... spread out over all potato and onion mixture. Sprinkle with a bit of cayenne.

Step 13

Cover with foil and bake 1.5 hours.

Step 14

Pull off foil for last 30 minutes to brown. Let set on counter 5-10 minutes. Serve and enjoy :)