How to Make Tasty Gratin Dauphinois

Gratin Dauphinois.

You can have Gratin Dauphinois using 6 ingredients and 9 steps. Here is how you achieve it.

Ingredients of Gratin Dauphinois

1. Prepare 3 lb of Idaho potatoes; unpeeled and sliced paper thin.
2. It's 2 C of heavy cream.
3. Prepare 2 T of fresh rosemary; minced.
4. Prepare 4 oz of sour cream.
5. You need 4 oz of grated gruyere cheese.
6. You need as needed of butter.

Gratin Dauphinois instructions

1. Butter a large casserole dish..
2. Lay potatoes across the bottom of the casserole dish evenly leaving no holes..
3. Stack layers until no potatoes remain..
4. Whisk heavy cream and sour cream together..
5. Pour cream over potatoes. Press down to even out casserole and distribute cream..
6. Sprinkle cheese, rosemary, salt, and black pepper across the top..
7. Spray aluminum foil with non-stick cooking spray and cover casserole dish..
8. Bake at 400º for 40 minutes. Uncover and cook for approximately 10 minutes or until casserole is bubbly and brown..
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