A little créme fraiche adds a pleasant tang to an otherwise plain whipped cream, and the small amount of gelatin brings double the benefits: it makes it silky-smooth and a dream to work with for piping on Martha's Roberta Heart Cakes. It also stabilizes the mixture so it will stay fluffy and scoopable for days.
Ingredients
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½ teaspoon unflavored gelatin
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1 ½ cups heavy cream, divided
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⅓ cup confectioners' sugar
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½ teaspoon pure vanilla extract
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½ cup crème fraÎche
Directions
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Sprinkle gelatin over 1 tablespoon cold water; let stand 5 minutes. Meanwhile, heat 1/4 cup heavy cream in a small pot over medium until bubbling around edges. Stir in gelatin mixture, reduce heat to low, and cook, stirring, until dissolved. Stir mixture into remaining 1 1/4 cups heavy cream. Refrigerate until cold and beginning to set, at least 2 hours or, covered, up to 2 days.
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Add confectioners' sugar to cream mixture and whisk to soft peaks. Whisk in vanilla and crème fraîche. Refrigerate until firm but still silky, at least 1 hour, or, in an airtight container, up to 1 day.