Low Fat Chocolate Mousse

Low-fat chocolate mousse proves that diet-friendly desserts don’t have to be sad. Skim milk and cocoa powder do the chocolate work, gelatin gives the body that cream usually delivers, and whipped egg whites lift the texture to that classic mousse cloudiness. The result is genuinely airy, properly chocolate-flavored, and a fraction of the calories of the traditional version built on heavy cream and yolks.

The secret to this version’s structure is the cocoa-and-milk reduction. Boiling unsweetened cocoa powder with skim milk for five minutes intensifies the chocolate flavor enormously, concentrating the cocoa solids and developing a deeper, almost bitter-sweet note that masks the absence of cream. A cornstarch and egg yolk slurry then thickens it to a pudding-like base before chilling.

The egg white trick that gives this its mousse character: beat the white with skim milk powder and ice water until stiff peaks form. The milk powder stabilizes the whites and adds creamy body, while ice water keeps the proteins cold for maximum volume. This is the same technique pastry chefs use to make near-fat-free whipped toppings.

Fold the whipped whites into the partially set chocolate base in stages. Stiff whites collapse if you stir them in all at once.

Pro Tips

• Bloom the gelatin in cold milk for the full 5 minutes, undissolved gelatin leaves rubbery strings in the mousse
• Chill the chocolate base only to partial set, fully set base is too stiff to fold whipped whites into smoothly
• Use the smallest amount of artificial sweetener that tastes right, too much creates a chemical aftertaste
• Serve in small chilled glasses, the mousse softens fast at room temperature

Variations

• Swap artificial sweetener for granulated sugar mixed into the cocoa step if you don’t avoid sugar
• Add a teaspoon of espresso powder for a deeper chocolate flavor
• Top with fresh raspberries or a dollop of fat-free whipped topping