INGREDIENTS
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600 grams King Arthur all-purpose gluten-free flour (4 cups) or 4 cups all-purpose flour
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30 grams corn starch (1/4 cup)
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395 grams sugar (2 cups)
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448 grams salted butter, yes salted, soft (4 sticks)
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140 grams egg yolk (7 yolks)
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22 grams rum (2 tablespoons)
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1 egg yolk mixed with one tablespoon of milk