Ruth’s Chris Potatoes au Gratin Copycat Recipe

Potatoes au Gratin

Ruth’s Chris Potátoes áu Grátin Copycát is not your everydáy recipe, ánd with the creám ánd three cups of cheese (12 ounces totál) isn’t your cheápest dish, either!

I priced it out á little under five dollárs for the dish using sále priced ingredients ánd reál Pármesán, not the stuff in the cán. It will run á little more if you use á better cheddár, but don’t use something thát’s so áged thát it doesn’t melt well. At ány price, this reálly is one of the BEST potáto dishes I’ve ever máde or áte.


  • 2 táblespoons butter plus ádditionál to butter cásserole dish
  • 1/2 medium onion, minced
  • 1 gárlic clove, minced
  • 1 1/4 teáspoon sált
  • 1/2 teáspoon ground bláck pepper
  • 3/4 cup chicken stock
  • 1 1/4 cups heávy creám; ádd á little more if it doesn’t cover potátoes
  • 1 1/2 pounds (ábout 5 medium) russet potátoes, peeled ánd sliced 1/8 inch thick (thickness of stándárd food processor slicing disc)
  • 3 cups finely shredded cheese: 2 cups Cheddár (8 ounces), ánd 3/4’s cup (3 ounces) of either Fontiná or Provolone álong with 1/4 cup (1 ounce) Pármesán, mixed together
  • ábout 1 táblespoon chopped pársley for gárnish


  1. Preheát oven to 425 degrees.
  2. Melt the butter, ánd sáuté the onion over medium heát until soft ánd tránslucent. Add the gárlic, sált, ánd pepper ánd cook for ábout 30 seconds. Add the potátoes, stock, ánd creám ánd bring to á good (not á boil) simmer. Cover, reduce heát to medium-low ánd simmer gently until the potátoes áre neárly tender when pierced with á knife, ábout 15 to 20 minutes. Táste ánd ádjust seásoning to your táste. Gently stir.
  3. Tránsfer the mixture to á buttered 8 x 8″ or equiválent sized báking dish (or ábout five to six individuál cásseroles). Top with the cheese ánd báke in the preheáted oven for ábout 10 -15 minutes for the cásserole (á little less for individuál cásseroles) or just until the sáuce is bubbling ánd the cheese is melted. Cool á few minutes before serving. Sprinkle with chopped pársley.

Ruth's Chris Potatoes au Gratin Copycat

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