"Makes about 620g (or 3¼ cup) of buttercream, enough to generously frost about 12 cupcakes or a two-layered 20-cm (8-inch) cake...."
INGREDIENTS
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35g (or 4 1/2 tablespoons) all-purpose flour
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200g (or 1 cup) granulated sugar
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pinch of salt
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240ml (or 1 cup) milk
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226g (or 1 cup) unsalted butter, softened at room temperature*
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1/2 teaspoon vanilla extract