"I've got 30 solid minutes of your weekend planned out for you. You're going to be standing in the kitchen, but I promise it won't be long. Pour a cup of..."
INGREDIENTS
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2 sheets from one package of frozen puff pastry, thawed in the refrigerator
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1 large egg, beaten
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3-4 tablespoons whole grain mustard
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2/3 cup grated gruyere cheeses
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5 slices of black forest ham, cut in half and folded
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Sesame seeds to top, optional