Beat butter until light and fluffy using an electric mixer. Sift in powdered sugar and cocoa powder. Add salt and vanilla. Beat low to medium speed adding heavy cream 1 tablespoon at a time until ...
1. Combine the butter with the flour in a deep bowl. Rub into crumbs. 2. Add water one tablespoon at a time and knead the shortbread dough. Wrap in plastic wrap and refrigerate for 30 minutes. 3. Roll ...