Cream butter, shortening, sugar and vanilla together in a large bowl. Stir cornstarch into milk and add to sugar mixture. Beat everything at low speed until all ingredients are blended. Beat at medium speed for 5 to 7 minutes until the icing is creamy smooth and of desired consistency.
NOTE: This icing will appear curdled at first but don’t give up. As you continue to beat it, it becomes smooth. Wait 20 minutes and beat again. The cornstarch may need time to thicken.
Instructions
Cream butter, shortening, sugar and vanilla together in a large bowl. Stir cornstarch into milk and add to sugar mixture. Beat everything at low speed until all ingredients are blended. Beat at medium speed for 5 to 7 minutes until the icing is creamy smooth and of desired consistency.
NOTE: This icing will appear curdled at first but don’t give up. As you continue to beat it, it becomes smooth. Wait 20 minutes and beat again. The cornstarch may need time to thicken.
Wheatland Bounty
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