1
["Melt butter in large pot over high heat.", "Add all mushrooms and saute until liquid is almost evaporated; about ten minutes.", "Add garlic, thyme and rosemary and saute one minute.", "Add chicken broth and simmer until liquid evaporates, stirring often, about eighteen minutes.", "Season with salt and pepper - cool.", "Preheat oven to 375 degrees (200 C.).", "Generously butter a 13X9X2"" glass baking dish.", "Arrange one-third of potatoes in dish, overlapping slightly.", "Top with half of mushroom mixture.", "Combine the cheeses together; sprinkle one-third cheese over mushrooms.", "Repeat layering one-third potatoes, remaining mushrooms and one-third cheese.", "Arrange remaining potatoes atop cheese layer (you should have some cheese leftover for sprinkling at end).", "Whisk half-n-half, cream, salt and pepper; pour over potatoes.", "Cover loosely with foil and place in middle of oven with a baking sheet underneath to catch liquid that may bubble over.", "Bake for about one hour and fifteen minutes or unitl potatoes are tender and liquid thickens.", "Remove cover and sprinkle with more cheese and bake another fifteen minutes until cheese melts and gratin is golden at edges.", "Remove from oven and let stand ten minutes.", "Serve and enjoy!"]
