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["Preheat oven to 350F Line 2 half-sheet pans with parchment, or butter well.", "Combine milk, butter and salt in a large saucepan.", "Cook over medium heat until a rolling boil is achieved.", "Dump in the flour all at once and stir vigorously with a wooden spoon.", "Continue stirring over heat until it forms a smooth mass which pulls away from the walls of the pan, about 3 minutes.", "Transfer to the bowl of a stand mixer with the paddle attachment, or to a heat-proof mixing bowl.", "Turn the mixer on medium, or beat with a wooden spoon.", "Add 5 eggs, one at a time, beating until each egg is fully incorporated before adding the next.", "The dough should be very thick, smooth, and shiny.", "Add the cheese, pepper and thyme.", "Form 8 mounds, 3"" across and 1"" high, on sheet pans, spaced about 2"" apart.", "Beat remaining egg with a pinch of salt and brush onto mounds.", "Sprinkle with grated cheese.", "Bake in preheated oven until puffed and golden-brown, 35-40 minutes.", "Poke holes in the side of each puff to allow steam to escape.", "If you plan to split and fill them, let them cool to room temperature; if not, serve hot, warm or at room temperature."]
