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Scalloped 2 Potato Gratin


This elegant yam & potato casserole side dish is smothered with onions, creamy sauce, and a crunch topping. Just pop it in the oven and it's ready in no time.
This recipe is an easy go to Holiday recipe.

Rate this recipe 4.3/5 (24 Votes)


  • 5 peeled white potatoes, sliced into rounds
  • 2 large yams, peeled, sliced into rounds
  • 2 large onions, peeled, sliced into rounds and rings separated
  • 1 cup chicken or vegetable broth
  • 1/2 cup 35% cream
  • 1 tbsp. thyme
  • 2 tsp sea salt
  • 1 tsp black pepper
  • 3 tbsp. flour
  • Gratin
  • 1 cup seasoned bread crumbs
  • 2 tbsp. parmesan cheese
  • 1 tbsp. extra virgin olive oil


Servings 8
Level of difficulty Easy
Preparation time 15mins
Cooking time 45mins
Cost Budget Friendly


Step 1

Mix together the cream and broth.
Begin to single layer the white potatoes on the bottom of a large ungreased casserole dish. Layer on rings of onions to cover.
Sprinkle with some salt, pepper, herb and 1 tbsp. flour.
Repeat with a layer of yams, onions, seasonings, flour and herbs. Continue to finish with a layer of potatoes on top.

Step 2

Evenly pour the liquid mixture over the top covering all of the potatoes/yams.

Step 3

Mix together the Gratin ingredients and spoon the mixture covering the potatoes.

Step 4

Bake in a preheated oven covered with foil for 30 min remove foil and continue to cook for another 15 min. approx. or until crust is golden and a knife pierces through easily.


It doesn't matter how you finish the layer of potatoes/yams the crumbs will cover all of the casserole dish.

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