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Grandma's Famous Potatoes Au Gratin

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“My late grandmother's delicious recipe for Potatoes Au Gratin is a family favorite.”
READY IN:
1hr 15mins
SERVES:
12
UNITS:
US

Ingredients Nutrition

Directions

  1. PREHEAT oven to 400°F; MEASURE the GROUP ONE ingredients into a small bowl (3 tablespoons parmesan cheese, 1 1/2 teaspoons kosher salt and 1/2 teaspoon ground black pepper); MIX well with fork; SET aside.
  2. PEEL and slice potatoes thinly; PEEL and slice onions thinly (into rings); GRATE 3 cups sharp cheddar cheese.
  3. LIGHTLY grease a 2.5 quart dish or 9x13 baking dish; LAYER 1/3 of the potatoes, 1/2 of the onion, 1/3 of the cheese, and 1/3 of the GROUP ONE mixture.
  4. REPEAT layers, finishing with with remaining potatoes, the remaining GROUP 1 mixture, and the remaining cheese.
  5. COMBINE 1 cup heavy cream with 3/4 cup strong chicken broth and 1/4 cup dry white wine in a bowl; ADD 1 teaspoon rubbed sage, 1/2 teaspoon prepared horseradish (or 1/2 teaspoon dry mustard), and 1 dash ground nutmeg; WHISK mixture well; POUR mixture evenly over potatoes.
  6. SPRINKLE 1/8 cup powdered parmesan cheese, 1 dash paprika, 1 dash freshly cracked pepper and 1/2 teaspoon chives or parsley, evenly over the top of mixture in baking dish for the GARNISH.
  7. BAKE 1 hour.
  8. ALLOW to stand about 10 minutes to cool and set, before serving.
  9. SERVE.
  10. GET READY to melt into your seat after just one taste!

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