"These homemade cosmic brownies are a delicious upgrade to the classic childhood treat and are perfect for sharing...."
INGREDIENTS
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WHOOPIE COOKIES<\/em>
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⅓ cups (⅔ stick/75 g) unsalted butter, softened
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½ cups lightly packed (100 g) light brown sugar
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½ cups (100g) granulated sugar
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1 large egg
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1 teaspoon Dominican imitation vanilla extract
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2 cups (280 g) all-purpose flour
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¾ cups (75 g) black (noir) cocoa powder
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1 teaspoon baking soda
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½ teaspoons kosher salt
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¾ cups (170 g) labneh or plain full-fat Greek yogurt
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½ cups (120 ml) boiling water
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FUDGY FILLING<\/em>
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½ cups (1 stick/115 g) unsalted butter, melted
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1 cup (100 g) unsweetened Dutch-processed cocoa powder
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⅓ cups (80 ml) heavy cream
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3 tablespoons Dominican imitation vanilla extract
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1 pinch kosher salt
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4 cups (500 g) unsifted powdered sugar
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TO FINISH<\/em>
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1 ounce (30 g) dark chocolate (64% cacao)
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Vegetable oil cooking spray or a few drops of vegetable oil
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Rainbow candy-coated chocolate chips, for garnish