Electric Mixer

See the how-to on page 487.

The frosting can be refrigerated in an airtight container for up to 3 days. Before using, bring to room temperature; beat with the paddle attachment on medium-low speed until smooth.

The cake layers can be wrapped well in plastic and refrigerated for up to 2 days; trim the tops just before assembling.

The cake layers can be wrapped well in plastic and refrigerated for up to 2 days; trim tops just before assembling. The frosting can be refrigerated in an airtight container for up to 3 days. Before using, bring to room temperature; beat with the paddle attachment on medium-low speed until smooth. The frosting can be refrigerated in an airtight container for up to 3 days. Before using, bring to room temperature; beat with the paddle attachment on medium-low speed until smooth.

If you are using pasteurized egg whites, you do not need to heat them before beating with the sugar and cream of tartar or coarse salt.

For the smoothest, glossiest peaks, be careful not to overbeat the egg whites.

If you can’t find blood oranges, use regular ones.