Sanitize all work areas, cutting boards, equipment and sinks used in the preparation of this recipe.
Combine butter and powdered sugar into the bowl of a stand mixer fitted with a paddle attachment.
Mix on medium speed until thoroughly combined and smooth. Scrape down the sides and bottom of the bowl.
Add lemon juice.
Continue mixing until thoroughly combined, about 30 seconds. Scrape down the sides and bottom of the bowl.
Transfer to clean food storage containers. Cover, label, date and store for service.
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