"Fluffernutter Cookies are soft peanut butter cookies filled with marshmallow fluff for a sweet and ooey gooey treat!..."
INGREDIENTS
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½ cup (129 g) creamy peanut butter
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½ cup (1 stick / 113 g) unsalted butter, (room temperature)
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1 cup (200 g) light brown sugar, (packed)
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1 large egg, (room temperature)
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1 teaspoon vanilla extract
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1½ cups (187.5 g) all-purpose flour
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1 teaspoon cornstarch
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½ teaspoon kosher salt
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1 cup marshmallow fluff, (or marshmallow creme)
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