""A big batch of big thick sugar cookies. These are THE big soft sugar cookies you have been looking for. Frost them while warm and sprinkle with colored sugar."..."
INGREDIENTS
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6 egg yolks
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4 eggs
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2 cups butter, softened
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2 1/8 cups white sugar
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7 cups all-purpose flour
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1 tablespoon baking powder
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1/2 teaspoon salt
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1 1/2 teaspoons vanilla extract
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4 cups confectioners' sugar
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1/4 cup vegetable oil
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1/2 teaspoon vanilla extract
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1 tablespoon hot water or as needed