Waldorf Red Cake

Waldorf red cake is the original red velvet, the recipe attributed to the Waldorf-Astoria Hotel in New York that defined this cake long before cream cheese frosting took over the dessert tables. This version uses the classic ermine icing, also called boiled milk frosting, which is the traditional pairing and arguably the better one.

The science of the cake is what makes it special. The chemical reaction between the cocoa powder, buttermilk, vinegar, and baking soda creates the characteristic deep crimson hue that gave red velvet its name (back when natural cocoa wasn’t Dutch-processed and reacted more dramatically with the acid). The added red food coloring boosts the color but isn’t the only source of the red.

The NOT BEAT HARD warning in capital letters in the original recipe is the most important instruction. Overbeating develops the gluten in the cake flour and creates a tough, dense crumb instead of the silky, almost velvety texture this cake is named for.

The ermine frosting is the magic. Cooked flour and milk pudding gets cooled, then beaten into creamed butter and sugar. The result is silky, light, and not too sweet, distinctly different from cream cheese frosting and far closer to whipped cream than buttercream.

Pro Tips

• Use cake flour, not all-purpose. The lower protein content is essential for that signature velvet crumb.
• Mix the cocoa and food coloring into a paste before adding to the batter, this distributes the color evenly.
• Cool the flour-milk mixture for the icing completely before adding to the butter, warm flour will melt the butter and ruin the texture.
• Don’t skip the vinegar, the acid is what activates the baking soda and contributes to the red color reaction.

Variations

• For the modern version, frost with cream cheese frosting instead of ermine.
• Add a teaspoon of espresso powder to the batter to deepen the chocolate notes.
• Stack with raspberry jam between layers for a fruity, jammy red velvet.