potato, onion and rosemary casserole

How To Make potato, onion and rosemary casserole

• Step 1
  Preheat oven to 350.
• Step 2
  Heat butter in 10-inch skillet until melted; stir in onions, rosemary, salt and pepper.
• Step 3
  Cook over low heat, stirring frequently, until onion is very soft and begins to brown, about 20 minutes.
• Step 4
  Arrange half of the potato slices in greased 10 x1 1/2\" pie plate; top with half the onion mixture, then repeat layers.
• Step 5
  Pour half and half over top; cover with foil and bake for 1 hour.
• Step 6
  Uncover and cook until top is golden brown, about 20 minutes longer.
• Step 7
  Cut into wedges to serve.
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