Combine milk, hot cocoa mix and ice in a blender. Blend until mostly smooth.
Pour into two glasses and top with whipped cream and chocolate curls.
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Notes
How Much Cocoa Should I Use? If your favorite hot cocoa comes in a canister rather than in packets, not to worry. One packet contains about 2½ tablespoons cocoa mix, so for this recipe you’ll need about 7½ tablespoons hot cocoa mix.