"Ermine Frosting (also known as flour buttercream or heritage frosting) is an easy and delicious buttercream made with flour, sugar, milk, and butter. ..."
INGREDIENTS
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8 Tbsp all-purpose flour
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2 cups granulated sugar
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pinch salt
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2 cups milk
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2 tsp vanilla
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2 cups unsalted butter (room temperature)
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other flavouring (optional (see Notes))