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["Melt butter with olive oil in a medium frying pan over medium-high heat.", "Add shallot and garlic and cook 30 seconds, stirring.", "Add mushrooms and thyme and cook, stirring occasionally, until mushrooms stop giving off liquid and start to brown, about 5 minutes.", "Add Madeira and soy sauce and cook just until liquid has evaporated, about 2 minutes.", "Let cool to room temperature.", "Preheat oven to 400F", "On a floured work surface and with a floured rolling pin, roll pastry sheet out to a thickness of 1/8"".", "Cut pastry into rounds with a buttered and floured 2"" biscuit or cookie cutter with fluted edges and arrange rounds 1/2"" apart on 2 baking sheets.", "Press the middle of each round with your finger to make a depression, leaving a 1/4"" wide rim.", "Poke each center once with a fork and top with a scant teaspoon of mushroom filling.", "Whisk egg and cream together and set aside.", "Bake pastries until golden brown and beginning to puff, 8-12 minutes", "Remove from oven and lower heat to 350.", "With the end of a small funnel or tiny teaspoon, carefully punch down centers of pastries while spooning about 1/2 teaspoon egg-cream mixture through funnel (to help guide the liquid) and into pastry (spoon in more if the pastry will accept it without overflowing).", "Bake pastries another 10-15 mins or until deep golden brown.", "Enjoy!"]