Potato Casserole with Caramelized Onions

Serves: 12 Save

Ingredients (10)

  • 3/4 cup (1½ sticks) butter,
  • 1/4 cup olive oil
  • 6 large sweet onions,
  • 1 tablespoon granulated white sugar
  • 4 pounds baking potatoes,
  • 4 cups chicken broth
  • 1 cup whipping cream
  • 1 cup sour cream
  • 4 large eggs,
  • 1/2 teaspoon salt

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Directions

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