INGREDIENTS
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 1/4 cup granulated sugar
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1Â 3/4 teaspoons baking powder
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 3/4 teaspoon kosher salt
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2 cups cake flour, plus more for surface
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1 large egg
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 1/2 cup buttermilk
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2 tablespoons unsalted butter, melted
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Vegetable oil (for frying; about 4 cups)
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Matcha Sugar Topping, Sweet Matcha Powder, or Matcha Glaze (for serving)
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One 3Â 1/4-inch-diameter cutter, one 1Â 1/4-inch-diameter cutter, a deep-fry thermometer