Fat-Free Chocolate Therapy Cake

This is a baker’s trick from the low-fat 90s that still works: whipped egg whites and marshmallow creme replace butter and oil entirely, doing all the lift and structure while keeping the crumb tender. The result reads more like a chocolate angel food cake than a classic devil’s food, light, slightly chewy, and surprisingly fudgy from the cocoa.

The one-bowl method matters here. Stir each ingredient in fully before adding the next so the egg whites don’t deflate all at once. The marshmallow creme is the slow part. Beat it in patiently until every lump is gone, since stray pockets of marshmallow turn rubbery in the oven.

A 325°F (165°C) bake keeps the egg whites from puffing too aggressively and collapsing, giving you a flat, even top that takes well to a dusting of powdered sugar or a thin glaze.

Kitchen Tips

• Use room-temperature egg whites. Cold whites resist whipping and give you less volume.
• Don’t overmix once the flour goes in. Gluten development makes a tough cake, especially with no fat to tenderize it.
• Test doneness at 28 minutes. A toothpick should come out with a few moist crumbs, not wet batter.
• Cool fully before slicing. Warm fat-free cake is fragile.

Variations

• Add a teaspoon of espresso powder with the cocoa for a deeper chocolate flavor.
• Swirl in fat-free Greek yogurt and berries for serving instead of frosting.
• Top with a thin chocolate-cocoa glaze made from cocoa, powdered sugar, and water.