INGREDIENTS
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1 c. all-purpose flour
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1 tbsp. cornstarch
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1 tbsp. sugar
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1 tsp. kosher salt
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1 stick unsalted butter
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3 tbsp. cold milk
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1 tsp. apple cider vinegar
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2 c. apple cider
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1 c. sugar
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1/2 c. sour cream
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1/4 tsp. salt
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4 large eggs
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1 c. heavy cream
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1/2 tsp. cinnamon