Fat-Free Chocolate Cake

A chocolate cake with zero grams of fat. No butter, no oil, no egg yolks. Corn syrup and egg whites stand in for the fat, keeping the crumb moist and tender while cocoa powder delivers deep chocolate flavor throughout.

Cornstarch in the batter helps create a softer, more cake-like crumb than flour alone can achieve without fat. It absorbs moisture during baking and gives the texture a lightness that compensates for the missing butter. The corn syrup adds sweetness and hygroscopic moisture (it pulls water from the air), which is why this cake stays soft instead of drying out like many fat-free baked goods.

The cocoa glaze drizzled over the warm cake soaks in slightly and sets into a thin, fudgy shell as it cools. Simple and effective.

Pro Tips

• Whisk the wet ingredients into the dry until just smooth. Overmixing activates gluten and makes fat-free cakes tough since there’s no fat to tenderize.
• Don’t overbake. Without fat as a buffer, even a few extra minutes turns the crumb dry. Pull when it springs back from a light touch.
• Drizzle the glaze while the cake is still warm so it absorbs slightly and bonds to the surface.
• Add water to the glaze a few drops at a time. You want it thick enough to drizzle but thin enough to flow.

Variations

• Add a teaspoon of instant espresso powder to the batter to deepen the chocolate flavor.
• Dust the top with powdered sugar instead of glazing for an even simpler finish.
• Stir mini marshmallows into the batter before baking for a rocky road-style twist.